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5 July, 05:55

To obtain the same resistance force, a greater force must be exerted in a machine of lower efficiency than in a machine

of higher efficiency

True

False

+1
Answers (1)
  1. 5 July, 06:01
    0
    Answer: True.

    Explanation:

    A resistance force is also known as friction. And the efficiency of a machine is affected by friction.

    A machine of lower efficiency has higher magnitude of friction than a machine of higher efficiency.

    Therefore, To obtain the same resistance force, a greater force must be exerted in a machine of lower efficiency than in a machine of higher efficiency. This is true
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