MCQ
A boy having a mass equal to 40 kilograms is standing in an elevator. The force felt by the feet of the boy will be greatest when the elevator $\left(g=9.8\right.$ metres $\left./ sec ^2\right)$
  • A
    Stands still
  • B
    May be at rest or in uniform motion
  • C
    Accelerates downward with an acceleration equal to 4 metres / $sec ^2$
  • Accelerates upward with an acceleration equal to 4 metres / $sec ^2$

Answer

Correct option: D.
Accelerates upward with an acceleration equal to 4 metres / $sec ^2$
(d)

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