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Question: 1 / 400

What is the principle of leverage?

It is the mechanical advantage gained by using a lever, allowing a smaller force to lift a heavier load

The principle of leverage is accurately described by the idea that using a lever provides a mechanical advantage, enabling a person to lift a heavier load with a smaller applied force. This is fundamentally based on the concept of a lever, which consists of a rigid bar that rotates around a pivot point, or fulcrum. By positioning the fulcrum at an appropriate point along the lever, one can effectively increase the distance over which the smaller force acts, thus allowing that force to move a larger load. This principle demonstrates how the distribution of forces and distances can optimize the amount of work done, making it easier to lift heavy objects. Understanding this concept is vital in mechanics and engineering, as it is widely applied in various tools and machines.

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It refers to the height of an object above the ground

It is the ratio of speed to force applied

It measures the distance over which force is applied

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