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Science Chp. 14.4

14.4 Vocab

QuestionAnswer
lever a rigid bar that is free to move around a fixed point
fulcrum the fixed point a lever rotates around
input arm the distance between the fulcrum in a lever and the input force
output arm the distance between the fulcrum in a lever and the output force
wheel and axle a simple machine that consists of two rigidly attached disks or cylinders, each one with a different radius
inclined plane a slanted surface along which a force moves an object to a different elevation
wedge a V-shaped object whos sides are two inclines planes sloped toward each other
screw an inclined plane wrapped around a cylinder
pulley a simple machine that consists of a rope that fits into a groove in a wheel
compound machine a combination of two or more simple machines that operate together
Created by: rkraimer14
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