Question

The apparent weight of a freely falling body is zero why

Answer 1

Answer:

Here is your answer

Explanation:

An object kept in a lift which falls freely, weighs zero on the weighing machine, but its actual weight is still mg. This happens because the normal reaction force exerted on the object in the lift is equal to zero, and normal force equals to mg, which in turn equals the weight of the object.

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Answer 2

Answer:

The apparent weight of a freely falling body is zero because it's normal reaction is zero.

Explanation:

• This occurs because the object's normal reaction force in the lift is equal to zero, and the normal force is equal to mg, which is equal to the object's weight.
• Weightless refers to a situation in which the perceived weight, not the "actual" weight, is zero.
• Your true weight and apparent weight are equal while you are standing on the ground (mg).
• The response force from the surface where a body is resting determines the apparent weight of the body.
• There is no reaction force while an object is falling freely; instead, it is being accelerated by gravity.
• Since apparent gravitational acceleration decreases to zero during free fall, reaction force (R=mg) also decreases to zero.
• The body seems weightless in the absence of any response force, hence the apparent weight of the body is 0.

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