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Simple Machines 102

QuestionAnswer
Work force exerted on an object that causes it to move.
Simple Machines a device that allows you to do work in a way that is eaiser or more effective.
Resistance the object that is being moved.
Effort the amount of force you apply to an object.
Mechanical Advantage the number of times the machine multiplys the input force of the machine.
Efficiency the percentage of input work that is converted into output work.
Wedge a device that is thick on one end and tapers into a thin edge on the other end.
Screw an inclined plane wrappped around a cylinder.
Lever a ridged bar that is free to pivot or rotate on a fixed point.
Wheel and Axle a simple machine made of two wheels fasined together about a common axis.
Pulley a simple machine made of a grooved wheel with a rope or cable wrapped around it.
Fixed Pulley does not change amount of force applied, but does not change direction of the force.
Created by: pjtempe
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