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Chapter 5 PS

Vocab

QuestionAnswer
Is the transfer of energy that occurs when a force makes an object move. Work
the amount of work done in one second Power
device that makes doing work easier by increasing the force applied to an object, changing the direction of an applied force, or increasing the distance over which a force can be applied Machine
the force that is applied to the machine input force
the force applied by the machine output force
ratio of the output force exerted by a machine to the input force applied to the machine mechanical advantage
ration of the output work done by the machine to the input work done on the machine, expressed as a percentage efficiency
machine that does work with only one movement simple machine
simple machine consisting of a bar free to pivot about a fixed point called the fulcrum lever
simple machine that consists of a grooved wheel with a rope, chain, or cable running along the groove pulley
simple machine that consists of a shaft or axle attached to the center of a larger wheel, so that the shaft and the wheel rotate together. wheel and axle
simple machine that consists of a sloping surface, such as a ramp, that reduces the amount of force needed to lift something by increasing distance over which the force is applied inclined plane
simple machine that consists of an inclined plane wrapped in a spiral around a cylindrical post screw
simple machine that is an inclined plane with one or two sloping sides wedge
machine that is a combination of two or more simple machines compound machine
Created by: franciscog12
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