Question

1) A box rests on the floor of an elevator. Because of static friction, a force is required to start the box sliding across the floor when the elevator is (a) stationary, (b) accelerating upward, and (c) accelerating downward. Rank the forces required in these three situations from smallest to largest​

Answer 1

Answer:

1.Smallest when lift is accelerating downwards.

2. stationary

3. Maximum force is required when lift is accelerating upwards