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30 Cards in this Set
- Front
- Back
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force equals mass times what?
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acceleration
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what is a push or pull that causes a change?
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force
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what is the total amount of matter in an object?
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mass
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weight is the measure of gravity times what?
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mass
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what is the force-like quantity in a rotational mechanical system?
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torque
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what is used to measure pressure difference?
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manometers
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what is used to measure density in fluids?
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hydrometer
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what is a form of energy that has vibrating atoms and molecules
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heat
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what are the two types of fluids?
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hydraulic and pneumatic
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what uses three wires and two different metals to measure temprature?
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thermocouples
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what is the sum of two forces?
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net force
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what measures voltage difference?
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voltmeters
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what measures voltage, amperage, and resistance?
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multimeters
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what is the weight density of water?
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62.4
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what are the two forms of voltage?
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AC current and DC current
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work equals force times what?
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distance
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what is the work goin into a system?
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input work
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what is the work done by the system?
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output work
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what is the formula for efficiency?
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output work/input work times 100
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what is used to measure input and output force?
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spring scales
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one radian equals how many degrees?
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57.3
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what is the basic English unit for work
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foot-pound
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what is the basic SI unit for work?
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newton-meter
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what is preformed when a mass is moved in a straight line?
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linear mechanical work
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what is preformed when a mass rotates?
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angular mechanical work
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what causes an object to start moving, stop moving, or change direction
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mechanical work
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fluid work equals pressure difference times what?
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volume moved
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in a closed fluid system the fluid is what?
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reused
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the basic unit for electrical work is what?
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joule
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the cross-sectional area of a cylinder can be found by multiplying what?
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0.7854 by the diameter
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