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The force exerted by the floor of an elevator on the foot of a person , is more when elevator is going up than when it is going down What is the reason?

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Q. The force exerted by the floor of an elevator on the foot of a person is more than the weight of the person if the elevator is
(a) going up and slowing down
(b) going up and speeding up
(c) going down and slowing down
(d) going down and speeding up

The force exerted by the floor of an elevator on the foot of a person is _______ the weight of the person if the elevator is going up and speeding up.

Q. The force exerted by the floor of an elevator on the foot of a person standing there is more than the weight of a person if the elevator is
A. going with increasing speed
B going down with decreasing speed

A is true B is false
A is false B is true
A andB are true
A and B are false

Q. The force exerted by the floor of an elevator on the foot of a person standing there is more than the weight of the person if the elevator is

Q. A person standing on the floor of an elevator drops a coin. The coin reaches the floor of the elevator in time t₁ if the elevator is stationary and in time t₂ if it is moving uniformly. Then
(a) t₁ = t₂
(b) t₁ < t₂
(c) t₁ > t₂
(d) t₁ < t₂ or t₁ > t₂ depending on whether the lift is going up or down.

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