**Question:** A ball is released from the top of a tower. The ratio of work done by force of gravity in first, second and third second of the motion of the ball is

(A) 1: 2: 3

(B) 1: 4: 9

(C) 1: 3: 5

(D) 1: 5: 3

**Answer: **Option (C)

**Solution:**

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**Question:** A ball is released from the top of a tower. The ratio of work done by force of gravity in first, second and third second of the motion of the ball is

(A) 1: 2: 3

(B) 1: 4: 9

(C) 1: 3: 5

(D) 1: 5: 3

**Answer: **Option (C)

**Solution:**