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Circular Motion: Apparent Weight — Top of Circle MCQ

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Apparent Weight — Top of CircleMediumQuestion 30614

Question

A person in a car going over a hill (radius r) at speed v. The apparent weight at the top is:
  1. A
    mg
  2. B
    m(g+v²/r)
  3. C
    m(g−v²/r)
    Correct
  4. D
    mv²/r

Correct answer

m(g−v²/r)

Explanation

At the top of the hill: mg − N = mv²/r → N = m(g−v²/r). Apparent weight decreases at high speed.

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