what is a lever ? how does it help us ?
Answers
Explanation:
A lever enables people to do work using less force. A lever usually is used to move or lift objects. Sometimes it is used to push against objects, but not actually move them. Levers can be used to exert a large force over a small distance at one end by exerting only a small force over a greater distance at the other.
A lever is a simple machine consisting of a bar that rotates around a fixed point. The fixed point of a lever is called the fulcrum. Like other machines, a lever makes work easier by changing the force applied to the machine or the distance over which the force is applied.
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Answer:
A lever enables people to do work using less force. A lever usually is used to move or lift objects. Sometimes it is used to put objects, but not actually move them. Levers can be used to exert a large force over a small distance at one end by exerting only a small force over a greter distance at the other.
Explanation:
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