Work Flashcards

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1
Q

A unit to measure energy and worth

A

Joule

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2
Q

Stored energy the energy an object has due to its position

A

Potential energy

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3
Q

The energy in motion

A

Kinetic energy

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4
Q

Kinetic energy and Potental energy

A

Mechanical energy

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5
Q

All of the energy is still present somewhere in one form or another

A

Conservation of energy

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6
Q

The rate of which work is done

A

Power

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7
Q

The unit of measurement for power

A

Watt

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8
Q

The unit of measurement of power for engines

A

Horsepower

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9
Q

Any device that makes doing work easier

A

Machine

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10
Q

The number of times a machine multiplies the input force output force divided by input force

A

Mechanical advantage

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11
Q

The percentage of the input work done on a machine

A

Efficiency

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12
Q

One of the basic machines on which all other mechanicals machines are based

A

Simple machine

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13
Q

A solid bar that rotates or turned around at a fixed point

A

Lever

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14
Q

A fixed point around which a lever rotates

A

Fulcrum

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15
Q

A simple machine that is a wheel attached to a shaft or axle

A

Wheel and axle

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16
Q

A wheel with a grooved rim that turns on an axle

A

Pulley

17
Q

A simple machine that is a sloping surface

A

Inclined plane

18
Q

A simple machine that has a thick end and a thin end

A

Wedge

19
Q

A simple machine that is inclined plane raped around a cylinder

A

Screw

20
Q

The use of force to move an object overall distance

A

Work