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Answer: If the strong man in the exercise 1 exerts a

Chapter 2, Problem 30E

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QUESTION:

Problem 30E

If the strong man in the exercise 1 exerts a downward force of 800 N on the rope, how much upward force is exerted on the block?

Exercise 1

For the pulley system shown, what is the upper limit of weight the strong man can lift?

Questions & Answers

QUESTION:

Problem 30E

If the strong man in the exercise 1 exerts a downward force of 800 N on the rope, how much upward force is exerted on the block?

Exercise 1

For the pulley system shown, what is the upper limit of weight the strong man can lift?

ANSWER:

Answer:

It depends on the how much muscular force  the strong man can produce.

Step 1: Suppose Fm is the force applied by the strong man,

           Fw is the force produced by

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