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63 Cards in this Set
- Front
- Back
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what does work equal
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work equals force
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what does work equal
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work equals force
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what is input work
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the work going into the system
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what is input work
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the work going into the system
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what is output work
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work done by the system
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what is output work
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work done by the system
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what is efficiency
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output divided by input times 100
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what is efficiency
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output divided by input times 100
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what do spring scales measure
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input and output force
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what do spring scales measure
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input and output force
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what does work equal
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work equals force
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what is input work
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the work going into the system
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what is output work
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work done by the system
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what is efficiency
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output divided by input times 100
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what do spring scales measure
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input and output force
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what is the basic english unit of work
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foot pound
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what is a rotational mechanical system
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work is equal to torqe times the angle
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what is the si unit of work
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newton meter
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when is linear mechanical work performed
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when a mass is moved in a straight line
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when is angular work performed
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when a mass is moved around an axis
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what does mechanichal work do
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causes an object to start moving
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what is fluid work equal to
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pressure difference
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what is weight density
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u must know it to calculate fluid work
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example of a closed system
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brake system
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is ther linear or angular fluid work
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no
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what is the work done by the system
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the pressure exerted by the system
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how can u find the crosssectional area of the cylinder
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multiply 0.7854 by the diameter squared
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what is electrical work
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when a charge is moved
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what is the work done by the system
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the pressure exerted by the system
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what is the work done by the system
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the pressure exerted by the system
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what is a coulomb
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a quanity of charge
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how can u find the crosssectional area of the cylinder
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multiply 0.7854 by the diameter squared
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how can u find the crosssectional area of the cylinder
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multiply 0.7854 by the diameter squared
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how do u calculate electrical charge
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by multiplying amperes by time
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what is electrical work
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when a charge is moved
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what is electrical work
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when a charge is moved
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what is a coulomb
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a quanity of charge
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what is the unit for electricity
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joule
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what is a coulomb
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a quanity of charge
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how do u calculate electrical charge
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by multiplying amperes by time
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what is the unit for electricity
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joule
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how do u calculate electrical charge
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by multiplying amperes by time
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what is the unit for electricity
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joule
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what is rate
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a displacement like quanity
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what is velocity
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the measure of linear work
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speed is simaler to what
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velocity
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what are the units of linear mechanical rate
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foot per second
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angular rate
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is expressed in radians per second
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how many radians are in one revolution
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6.28
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what is a stroboscope
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used to measure angular rate
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what is acceleration
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rate at which speed increases
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units of acceleration
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foot/second squared
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what is flow rate
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volume of fluid moved in time
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units of fluid flow
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gallons/minute
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what is viscosity
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quality of a substance
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what is high flow rate
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if a pipe is bigger it will have a larger flow rate
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what is electrical rate
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the amount of charge moved
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what is current
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i
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milliampere
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.001amps
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microampere
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.000001amps
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what is a ammeter
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it measures current
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what is hertz
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a measure of frequency
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oscilloscope
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can measure frequency
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