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A boy having a mass equal to 40 kilogram...

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
`(g=9.8"metres"//sec^(2))`

A

Stands still

B

Moves downward at a constant velocity of 4 metres/sec

C

Accelerates downward with an acceleration equal to `4"metres"//sec^(2)`

D

Accelerates upward with an acceleration equal to `4"metres"//sec^(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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