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Why is a lever a force multiplier?

Updated: 8/10/2023
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12y ago

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The transmission lever is very simple and there is no friction.

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Eleazar Sanford

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2y ago
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15y ago

No. A lever is one of the six simple machines, which also include the pulley, wheel and axle, screw, inclined plane, and wedge. Simple machines are the 'elements' of physics, the most basic machines that allow the redirection of force or provide a 'mechanical advantage', meaning that they will decrease the amount of force needed and increase the amount of distance over which you exert that force. For example, an inclined plane can be used to lift an object, say a piano, up a certain distance. You could simple lift the piano, using a lot of force but only lifting it a short distance, or you can push it up a ramp, using a smaller force but applying it over a longer distance.

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11y ago

If we examine a lever, we see that there are practically no friction points within its design where efficiency is to be lost.

If a fulcrum is present in the design, it's usually a single, small point interface … a source of friction loss, but minimal.

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15y ago

a machine is a tool used to make work easier. any tool that pries something loose is a lever. a lever is a arm that "pivots" (or turns) against a " fulcrum" (or point).

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12y ago

why is a lever called a force multiplier? and in lever, how can we apply the least force to left heavy load

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6y ago

All mechanical machines use a lever or some version of a lever to convert one version of force and distance to another .

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Q: Why is a lever a force multiplier?
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