Solution: How much closer must the fulcrum be to the stone then to his hand?

A man can exert a maximum pull of 1000 N but wishes to lift a new stone door for his cave weighing 20,000 N. If he uses a lever, how much closer must the fulcrum be to the stone then to his hand?

How much closer must the fulcrum be to the stone then to his hand?

Problem Statement: EE Board October 1993

A man can exert a maximum pull of 1000 N but wishes to lift a new stone door for his cave weighing 20,000 N. If he uses a lever, how much closer must the fulcrum be to the stone then to his hand?

  • A. 10 times nearer
  • B. 20 times farther
  • C. 10 times farther
  • D. 20 times nearer

Problem Answer:

The fulcrum must be 20 times nearer to the stone then to his hand.

Solution:

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