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s8p3.c
Term | Definition |
---|---|
work | the transfer of energy to an object by using a force that causes the object to move in the direction of the force. |
machine | a device that helps do work either by overcoming a force or changing the direction of the applied force. |
inclined plane | a simple machine that is a straight, slanted surface, which facilitates the raising of loads; a ramp. |
wedge | a simple machine that is made up of two inclined planes and that moves; often used for cutting. |
screw | a simple machine that consists of an inclined plane wrapped around a cylinder. |
lever | a simple machine that consists of a bar that pivots at a fixed point called a fulcrum. |
pulley | a simple machine that consist of a wheel over which a rope, chair or wire passes. |
wheel and axle | a simple machine consisting of two circular objects of different sizes; the wheel is the large of the two circular objects. |