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22 Cards in this Set
- Front
- Back
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force is equal
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mass times accelaration
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a force is
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push or a pull
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torque is
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the force like quantity in rotational mechanical system
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abosolute pressure is
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the measured in references to a vacuum
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the two types of fluid are
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hydraulic and pneumatic
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weigth density is the
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ratio of an object weigth to its volume.
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the positive pole or electrode in a battery is the
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anode
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voltmeters meausured
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voltaged differences
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heat is
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a form of energy characterized by the vibrating movement of atoms and molecules.
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a hydrometers is used
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to measure density or specific gravityin liquids
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temperature is the
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measure of average energy of motion of molecules in a substance.
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thermocoples used
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three wires of two different metals to measure temperature.
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pressure increases with
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depth in a fluid but is independent of volume.
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gasses are compressible
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liquids are not compresible
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weight is force it is measured in
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(si)
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input work is the
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work going into a system performed by a human or a motor
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output work is the
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work done by the system
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efficiency is the
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output work divided by input work and output force
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spring scales are used to measured
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output and input force.
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the basic english units of work is the
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foot-pound
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the basic si units of work is the
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newton-meter(1n*m equals 1 joule)
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linear mechanical work is performed when a mass is
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moved around an axis or rotation
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