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42 Cards in this Set
- Front
- Back
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force equals?
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mass time acclearation
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force is a?
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push or pull
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mass is the total amount of matter in?
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in a object
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weight is the measurment of?
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gravity times mass
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torque is the force like quanity in rotational?
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mechanical systems
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when forces act in the same direct, the?
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net force
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prime movers are?
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pressure difference
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density is the found by dividing mass by?
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volume
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hydrometer is used to measure?
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density or specific gravity in liquids
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pressure is measured by dividing a unit of force by a unit of?
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area
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manometers are used to measure?
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pressure diffrences
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the two types of fluids are?
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hydraulic and pneumatic
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gasses are compressible liquids are?
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not
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pressure increases with depth in a?
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fluid
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absoulte pressure is the measurd in refernce to a?
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vacuum
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voltage comes in two forms dc and?
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ac
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voltmeters measure?
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voltage diffrence
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multimeters measure voltage amperage and?
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resistance
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the positive pole or electrode in a battery is the/
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anode
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electrical circuits contain a source?
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batterys
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temperture diffrence acts as a prime?
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mover
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heat is a form of energy characterized by the vibrating?
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movement
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temperture is the measure of the average?
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energy
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thermocouples use three wires of two diffrenet?
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metals
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work equals?
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force times distance
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input work is the work going into a?
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system
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output work is the work done by the?
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system
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efficiency is output work divided by?
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input work multiplied by 100
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spring scales are used to measure?
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input and output force
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in rotational mechanical systems work is equal to torque multiplied by?
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the angle through which the lever arm moves
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the basic english unit of work is?
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foot pound
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the basic si unit of work is the newton?
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meter
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linear mechanical work is performd when a mass is moved in a?
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straight line
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angular mechanical work is performed is prformed when a mass is moved?
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around an axis or rotation
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mechanical work causes an object to start moving stop moving or?
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change direction
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the cross sectional area of a cylinder can be found by multiplying?
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0.7854 by the diameter
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electrical work is done when a volatage move a specified amount of eletrical?
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charge
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a coulomb is a quanity of charge equal to?
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6.25 time 10 electrons
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eletrical charge can be calculated by multiplying amperes by?
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time
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the basic unit of electrical work is the?
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joule
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input work performed by an electrical pump or?
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motor
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a rate is a displacement like quanity divied by?
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elapsed time
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