If we neglect the air resistance, the time taken by a freely falling body to reach the ground will not depend upon
A
Height of free fall
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B
Acceleration due to gravity
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C
Mass of the body
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D
Speed with which body strikes the ground
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Solution
The correct option is B Mass of the body Answer is C.
If no air resistance is present, the rate of descent depends only on how far the object has fallen, no matter how heavy the object is. This means that two objects will reach the ground at the same time if they are dropped simultaneously from the same height. This statement follows from the law of conservation of energy. Hence, the time taken by a freely falling body to reach the ground will not depend upon mass of the body.