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125 Cards in this Set
- Front
- Back
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force equals what?
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mass times acceleration
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force is what?
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a push or pull on a object
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what is mass?
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the total amount of matter in an object
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weight is what?
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measurement of gravity times mass
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what is tourqe?
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force like quanity in rotational mechanical systems
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what is net force?
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the sum of two forces
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what are prime movers?
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a force like quanity
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how do you find density?
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mass divided by volume
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a hydrometer measures what?
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density or specific gravity in liquids
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how do you measure pressure?
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a unit of force divided by a unit of area
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force equals what?
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mass times acceleration
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force is what?
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a push or pull on a object
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what is mass?
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the total amount of matter in an object
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weight is what?
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measurement of gravity times mass
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what is tourqe?
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force like quanity in rotational mechanical systems
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what is net force?
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the sum of two forces
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what are prime movers?
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a force like quanity
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force equals what?
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mass times acceleration
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force is what?
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a push or pull on a object
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how do you find density?
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mass divided by volume
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what is mass?
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the total amount of matter in an object
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a hydrometer measures what?
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density or specific gravity in liquids
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weight is what?
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measurement of gravity times mass
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how do you measure pressure?
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a unit of force divided by a unit of area
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what is tourqe?
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force like quanity in rotational mechanical systems
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what is net force?
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the sum of two forces
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what are prime movers?
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a force like quanity
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how do you find density?
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mass divided by volume
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a hydrometer measures what?
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density or specific gravity in liquids
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how do you measure pressure?
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a unit of force divided by a unit of area
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force equals what?
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mass times acceleration
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force is what?
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a push or pull on a object
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what is mass?
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the total amount of matter in an object
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weight is what?
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measurement of gravity times mass
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what is tourqe?
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force like quanity in rotational mechanical systems
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what is net force?
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the sum of two forces
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what are prime movers?
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a force like quanity
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how do you find density?
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mass divided by volume
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a hydrometer measures what?
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density or specific gravity in liquids
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how do you measure pressure?
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a unit of force divided by a unit of area
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force equals what?
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mass times acceleration
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force is what?
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a push or pull on a object
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what is mass?
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the total amount of matter in an object
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weight is what?
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measurement of gravity times mass
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what is tourqe?
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force like quanity in rotational mechanical systems
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what is net force?
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the sum of two forces
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what are prime movers?
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a force like quanity
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how do you find density?
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mass divided by volume
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a hydrometer measures what?
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density or specific gravity in liquids
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how do you measure pressure?
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a unit of force divided by a unit of area
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what are the two types of fluids?
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hydroulic and pneumatic
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what are the two types of voltage/
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DC and AC current
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what do voltmeters measure?
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voltage differance
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what do multimeters measure?
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voltage, amperage, and resistance.
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what is the positvie pole in a battery called?
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anode
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what is the negitive poe in a battery called?
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cathode
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what do electrical circuts contain?
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a source,conductor,and a load
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what is a prime mover in thermal systems?
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tempature differance
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what is heat?
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a form of energy characterized by vibrating movement of atoms and molecules
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what is tempature?
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the measure of the average energy of motion of molecules in a substance
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how do thermocouples measure temperature?
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they use three wires of two different metals
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work equals?
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force times distance
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what is input work?
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the work going into a system
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what is output work?
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work a system puts out
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what is efficiancy?
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output work divided by input work times 100
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what are spring scales?
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thet measure input and output work
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in mechanical systems work is equal to?
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tourque times angle through which the level arm moves
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what is the english unit for work?
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foot-pound
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what is the SI unit for work?
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newton-meter
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when is linear mechanical work preformed?
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when a mass is moved in a straight line
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when is angular mechanical work preformed?
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when a mass is moved around an axis or rotation
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what causes an object to start moving?
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mechanical work
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fluid work is equal to what?
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pressure differance times volume moved
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what must you know in order to claculate fluid work?
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weight density
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in a closed system the fluid is ?
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reused
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is there a such thing as linear or angular fluid work?
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no
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how do you find the cross sectional area of a cylinder?
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multiply .7854 by the diameter squared
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when is electrical work done?
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when a voltage moves a charge
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what is a coulomb?
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a quanity of charge equal to 6.25 times 10^18
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how can you find electrical charge?
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by multiplying ampers by time
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what is the basic unit or electrical work
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joule
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input work is preformed by a what?
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electrical pump or motor
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what is rate?
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a displacement like quanity divideded by elasped time
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what is velosity?
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the measure of linear mechanical work
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velosity and what are similar?
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speed
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what are the units of linear mechanical rate?
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foot per second and meter per second
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angular rate is expressed in what?
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radians per second or revolutions per minute
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how many radians are in one revolution?
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6.28
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what does a stroboscope measure?
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angular rate
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what is acceleration?
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the rate in which speed increases or decreases
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what is flow rate?
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the volume of fluid moved in a given time
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what are the units of fluid?
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gallons per minute and cubic meters per second
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what is viscosity?
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the quality of a subatance related to its thickness
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which has a higher flow rate? a large pipe or a small pipe?
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a larger pipe
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what is electrical rate?
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amount of charge moved
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how is electrical current flow measured?
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amperes
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one milliampere is equal to how many amps?
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1/1000 amps
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one microampere is equal to how many amps?
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1 times10^-6
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what is used to measure current?
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ammeter
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what is an hertz?
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a measure of frequency
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what is flow rate?
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the volume of fluid moved in a given time
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what are the units of fluid?
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gallons per minute and cubic meters per second
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what is viscosity?
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the quality of a subatance related to its thickness
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which has a higher flow rate? a large pipe or a small pipe?
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a larger pipe
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what is electrical rate?
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amount of charge moved
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how is electrical current flow measured?
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amperes
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one milliampere is equal to how many amps?
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1/1000 amps
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one microampere is equal to how many amps?
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1 times10^-6
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what is used to measure current?
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ammeter
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what is an hertz?
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a measure of frequency
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what is flow rate?
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the volume of fluid moved in a given time
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what are the units of fluid?
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gallons per minute and cubic meters per second
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what is viscosity?
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the quality of a subatance related to its thickness
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which has a higher flow rate? a large pipe or a small pipe?
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a larger pipe
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what is electrical rate?
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amount of charge moved
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how is electrical current flow measured?
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amperes
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one milliampere is equal to how many amps?
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1/1000 amps
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one microampere is equal to how many amps?
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1 times10^-6
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what is used to measure current?
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ammeter
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what is an hertz?
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a measure of frequency
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an osciliscope measures what?
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voltage wavefrom
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Qh is what?
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heat flow rate
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what are the english units of heat?
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btu
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what are the SI units of heat?
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calorie
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what is heat flow rate?
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amount of energy transfered through a substance
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