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MDCAT
Physics
2021

Physics · Circular Motion & Momentum

Work through this past-paper style MCQ, then read the full explanation. Practice more physics questions on mMCQ with adaptive practice and topic analytics.

Question
The centripetal force is zero when the centrifugal force is:
Options
  • A
    Equal
  • B
    Zero
  • C
    Maximum
  • D
    None of these options are correct
Explanation

If the centripetal force is 0, it means that the body is not moving in a circle. If a body is not moving in a circle, there will be no centrifugal force either. Hence, option B is the correct option

Both forces are equal in this case, but this may not always be the case; hence, this option is incorrect.

As both forces are 0, this option is correct

Centrifugal force cannot reach its maximum. Moreover, centrifugal force cannot be greater than centripetal force. Hence, this option is incorrect.

As option B is correct, this option is incorrect

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Tagged under Physics · Circular Motion & Momentum · 2021