Question

What is pulley ?how does using a pulley make our work easier

Answer 1

Answer:

The pulley, a simple machine, helps to perform work by changing the direction of forces and making easier the moving of large objects. ... With this type of pulley — called a fixed pulley — pulling down on a rope makes an object rise off the ground. There are also movable pulleys and pulley systems.

Answer 2

Answer:

The pulley, a simple machine, helps to perform work by changing the direction of forces and making easier the moving of large objects. ... With this type of pulley — called a fixed pulley — pulling down on a rope makes an object rise off the ground. There are also movable pulleys and pulley systems.

Explanation:

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