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Chapter 5 vocab JS.

Chapter 5 vocabulary

QuestionAnswer
transfer of energy that occurs when a force makes an object move; measured in joules work
Amount of work done, or the amount of energy transferred, divided by the time required to do the work or transfer the energy; measured in watts. 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
ratio of the output force exerted by a machine to the input force applied to the machine. mechanical advantage
ratio of the output work done by the machine to the input work done on the machine, expressed as a percentage efficiency
the applied by the machine output force
machine that does work with only one movement-lever, pulley, wheel and axle, inclined plane, screw, and wedge. 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 table running along the groove; can be either fixed or movable. pulley
simple machine that consists of a shaft or axle attached to the center of a lager wheel, so that the shaft and the wheel rotate together. wheel and axle
a simple machine that consists of a sloping surface, such as a ramp, that reduces the amount of force needed to lift something by increasing the distance over which the force is applied. inclined plane
simple machine that consists of an inclined plane wrapped in a spiral around a cylindrical past. screw
simple machine that is an inclined plane with one or two sloping sides. wedge
machine that is a combination of two or more machines. compound machine
Created by: JSmurf2
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