SIMPLE MACHINE
LEVER
Definition : A simple machine made up of a bar that pivots at a fixed point called the fulcrum
1st class lever
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2nd class lever
3rd class lever
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PULLEY-A wheel and axle designed to support a rope and cable
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SCREW
Screw is an inclined plane wrapped around a cylinder
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WHEEL AND AXLE
Definition: A simple machine consisting of the circular objects of different sizes the wheel is the bigger one the axle is the smaller one
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INCLINED PLANE
An inclined plane, also known as a ramp, is a flat supporting surface tilted at an angle, with one end higher than the other, used as an aid for raising or lowering a load.
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WEDGE
Definition:A wedge is a triangular shaped tool, and is a portable inclined plane
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