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 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$(g = 9.8\,metres/{\sec ^2})$
Stands still
Moves downward at a constant velocity of $4$ metres/sec
Accelerates downward with an acceleration equal to $4\,metres/{\sec ^2}$
Accelerates upward with an acceleration equal to $4\,metres/{\sec ^2}$
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 boy having mass equal to $40kg$ is standing in an elevator. the force felt by the feet of the boy will greater when the elevator accelerates upwards with an acceleration equal to $4 \mathrm{m} / \mathrm{sec}^{2}$