I. Work done by load is always less than the work done by effort. II….

Physics JAMB 2006

I. Work done by load is always less than the work done by effort.
II. All machines are made of levers, pulleys, screws and gear wheels.
III. A fishing rod is a machine.
Iv. Effort is always larger than load.
which of statements above about machines are true?

  • II and III
  • III and IV
  • I and III checkmark
  • II and iv

The correct answer is: C

Explanation

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