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s8p3.c
demonstrate the effect of simple machines on work
Term | Definition |
---|---|
work | the transfer of energy to an object by using 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 move;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 consists 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 og the two circular objects |