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I KNOW WHAT A PULLEY IS! A pulley is a wheel with a rope around it. The Load and Force go in opposite directions. The pulley can make lifting things easier. You pull on one side of the rope and the other side goes upward, carrying the load.
I KNOW WHAT A WHEEL AND AXLE IS! A Wheel and Axle is two wheels connected by and axle. The Force and Load are the same. The Wheel and Axle can be used for various things like transportation.
Can anyone tell me what a screw and inclined plane are!?
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