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------------------------------------------------ What is the function of a pulley?

1. If you have a single pulley hooked to the ceiling and you are pulling on the cable, what is the maximum weight you could theoretically lift if you weigh 235 lbs?

2. Draw a diagram of a pulley system that can lift 10 times your weight.

A pulley is a simple machine used to change the direction or magnitude of a force. With a single pulley, the mechanical advantage is 1, so the weight that can be lifted is equal to the person's weight. To lift 10 times your weight, a pulley system with a mechanical advantage of 10 is needed.

Explanation:

A pulley is a simple machine that is used to change the direction or magnitude of a force. With a single pulley, the mechanical advantage is 1, meaning it does not multiply the force. However, with multiple pulleys in a system, the mechanical advantage can be increased. To calculate the maximum weight that can be lifted with a single pulley system, we need to consider the mechanical advantage. If the person weighs 235 lbs and the mechanical advantage of the single pulley system is 1, then the person can theoretically lift a maximum weight of 235 lbs. To draw a diagram of a pulley system that can lift 10 times your weight, we would need a system with a mechanical advantage of 10. This could be achieved by using multiple pulleys in a block-and-tackle arrangement. In this system, the weight is divided equally among the number of cables pulling directly upward.

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