Q:

# How does a lever make work easier?

A:

A lever makes work easier because it allows a person to move an object using less force. To reduce the force that is necessary to move the object, the person using the lever has to increase the distance for the area they are applying the force.

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A lever rotates on a fulcrum, which is a fixed point. The lever is generally a rigid bar and the person moving the object has the object on one end of the lever and they use the other end to apply the force necessary to move it. The fulcrum goes between both of these points.

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## Related Questions

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A fixed pulley makes work easier by changing the direction of the force required to lift a load. To raise a load with a fixed pulley, a downward force is needed, which is easier than the upward force needed to lift the load directly.

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A pulley makes work easier by redirecting and amplifying force. It helps reverse the direction of an individual’s lifting force. As a user pulls a rope down, the pulley lifts the weight up. When two ropes and wheels are used, a pulley reduces the effort needed to lift a weight by half.

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An inclined plane makes work easier by reducing the exertion needed for the job while increasing the distance over which that exertion is maintained. The angle at which a load is lifted determines the amount of exertion needed to lift it. Lifting a load straight overhead requires the most exertion.