Simple Machines Flashcards

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1
Q

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

A

Mechanical Advantage

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2
Q

The percentage of input work done on a machine that the machine can return in output work

A

Efficiency

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3
Q

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

A

Simple Machines

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4
Q

A solid bar that rotates, or turns, around a fixed point

A

Lever

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5
Q

A fixed point around which a lever rotates

A

Fulcrum

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6
Q

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

A

Wheel and Axle

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7
Q

A wheel with a grooved rim that turns on an axle

A

Pulley

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8
Q

A simple machine that is a sloping surface, such as a ramp

A

Inclined Plane

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9
Q

A device that makes doing work easier

A

Machine

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10
Q

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

A

Wedge

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11
Q

A simple machine that is an inclined plane wrapped around a cylinder

A

Screw

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