Question

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my question is
1.how do simple machines achieve their purpas of making work easier and faster to perform
2. write a note on leaver and discribe its mechanical advantage​

Answer 1

Explanation:

1. Machines make work easier by increasing the amount of force that is applied, increasing the distance over which the force is applied, or changing the direction in which the force is applied. That's because a machine doesn't change the amount of work and work equals force times distance
2. A lever amplifies an input force to provide a greater output force, which is said to provide leverage. The ratio of the output force to the input force is the mechanical advantage of the lever. As such, the lever is a mechanical advantage device, trading off force against movement.
3. Components: fulcrum or pivot, load and effort
4. Classification: Simple machine

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