Vocab Chapter 4 (Motion) Flashcards

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1
Q

machine that consists of more than one simple machine

A

Compound Machine

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2
Q

measure of how much of the work put into a machine is changed into work done by the machine

A

Efficiency

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3
Q

force exerted on a machine to overcome resistance

A

Effort Force

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4
Q

simple machine consisting of a sloping surface, used for raising heavy bodies

A

Inclined Plain

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5
Q

a simple machine made from a bar that is free to pivot about a fixed point

A

Lever

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6
Q

device that makes doing work easier

A

Machine

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7
Q

number of times a machine multiples the effort force applied to it

A

Mechanical Advantage

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8
Q

amount of work done or the amount of energy transferred in a certain amount of time, measured in watts

A

Power

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9
Q

Simple Machine that consists of a grooved wheel and a rope of chain that runs along a grooved.

A

Pulley

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10
Q

Force applied by a machine to overcome resistance.

A

Resistance Force

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11
Q

simple machine that consists of an inclined plane wrapped in a spiral around a cylindrical post

A

Screw

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12
Q

Machine that does work with only one movement

A

Simple Machine

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13
Q

Simple machine that consists of an inclined plane with one or two sloping sides.

A

Wedge

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14
Q

Simple machine that consists of two different-sized wheels that rotate together.

A

Wheel and Axle

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15
Q

transfer of energy that occurs when a force makes an object move; measured in joules.

A

Work

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