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35 Cards in this Set
- Front
- Back
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Force equels:
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Mass multiplied by Acceleration
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A force is a:
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Push or Pull that causes an object to change direction
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Mass is the total amount of:
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Matter in an object
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Weight equels:
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Gravity times Mass. Gravity is 9.8 M/Sec2
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When forces act in the same direction, the _ is the sum of the two forces
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Net Force
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Density equels:
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Mass/Volume
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What does a Hydrometer measure?
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Density or Specific Gravity in liquids
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Pressure equels:
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Unit of Force/Unit of Area
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Gasses are compressable, liquids are...
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Not
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What are two types of voltage?
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Direct and Alternating Current
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Temperature Difference acts a prime mover in...
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Thermal Systems
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Heat is a form of...
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Energy made by vibrating movement of atoms and molecules
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Tempeture is the measure of:
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Average energy of motion of atoms and molecules
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What do Thermocouples measure?
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Temperature, uses three wires with two different metals
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Voltmeters measure:
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Voltage Difference
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Work equels:
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Force times Distance
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Input work is:
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Work going into a system, performed by a human or operator
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Output work is:
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Work done by the system
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Spring Scales measure:
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Input and Output Work
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What is the basic unit of work in English?
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Foot-Pound
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Si unit of Work?
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Newton-Meter
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How is Linear Mechanical Work performed?
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When a mass moves in a straight line
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Input work is performed by:
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Electric pump or motor and will be given in Joules
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Basic unit of electrical work is:
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Joule
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How can electrical charge be calculated?
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Amperes times time
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In a closed fluid system is the fluid reuesed?
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Yes
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Mechanical work causes:
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An object to start moving, stop moving, or change direction
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Angular mechanical work happens when:
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An object moves on axis or rotation
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What is Efficiency?
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Output work/Input work times one-hundred
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There is no such thing as Linear or _ fluid work
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Angular
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The two types of fluids are:
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Hydraulic and Pneumatic
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What do Multimeters measure?
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Voltage, Amerage, Resistance
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Electrical circuits contain which three things always?
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Source, Conducters, Load. May also have a Switch
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What happens when forces act in opposition?
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The Net Force is subrtracting
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What happens when forces are neutral?
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Equillibrium
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