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33 Cards in this Set
- Front
- Back
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force equals to?
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mass times acceleration
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Gravity on earth is?
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9.8 meters/seconds^2
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Torque is?
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the force-like quantity in rotational mechanical system.
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torque is calculated by?
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Multiplying the force applied to the lentgh of the lever arm.
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Density is the found by?
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diving mass by volume.
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a hydrometer is used to?
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measure density or specific gravity in liquids.
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manometers are used to?
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measure pressure difference.
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The two types of fluids are?
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Hydraulic (using liquid)
Pneumatic (using gas) |
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Voltage comes in two forms?
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direct current (DC)
alternating current (AC) |
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voltmeters measure?
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voltage difference.
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multimeters measure?
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voltage, amperage, and resistance.
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The positive pole or electrode in a battery is the?
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Anode
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The negative pole or electrode is the?
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Cathode
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Temperature Difference acts as a prime mover in thermal system because?
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heat always moves from warmer to cooler regions.
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Thermocouples use?
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three wires of two different metal to measure temperature.
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Work equals to?
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force times distance
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Input work is the?
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work goint 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?
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output work divided by input work, multiplied by 100.
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efficiency cannot ?
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exceed 100%
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Spring scales are used to?
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measure input and output force.
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The basic english unit of work is?
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the foot-pound
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The basic SI unit of work is?
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the Newton-meter
(1 N*m equals 1 joule) |
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linear mechanical work is?
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performed when a mass is moved in a straight line.
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Work equals to?
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force times distance
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Input work is the?
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work goint 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?
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output work divided by input work, multiplied by 100.
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efficiency cannot ?
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exceed 100%
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Spring scales are used to?
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measure input and output force.
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The basic english unit of work is?
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the foot-pound
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The basic SI unit of work is?
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the Newton-meter
(1 N*m equals 1 joule) |
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linear mechanical work is?
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performed when a mass is moved in a straight line.
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