What is the weight felt by a person in a lift when it has free fall?

What is weight of a body?

What is the time period of a simple pendulum in a freely falling lift'?

A thief jumps from the roof of a house with a box of weight on his head. What will be the. weight of the box as experienced by the thief during jump?

A lift is accelerated upward. Will the apparent weight of a person inside the lift increases, decreases or remains the same relative to its real weight? If the lift is going with uniform speed, then?

What do you mean by free fall?

What is mean free path?

What is acceleration of free fall?

Give two examples of free fall.