An iron ball and a wooden ball of same radius are released from a height ‘h’ in vacuum. Which of the two balls would take more time to reach the ground?
A
Iron ball
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B
Both would take the same time
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C
Wooden ball
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D
None of these
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Solution
The correct option is B Both would take the same time The time taken by the body to reach the ground does not depend upon the size of the body. Since no other forces are acting on the body except gravitational force, both iron and wooden ball will take the same time to reach the ground when released from the same height.