AIPMT PRELIMS2007Physics-Work, Energy and Power
AIPMT PRELIMS 2007 Physics Conservation of Energy MCQ Question
Type: MCQ-conceptual-Medium-Class 11
A vertical spring with force constant k is fixed on a table. A ball of mass m at a height h above the free upper end of the spring falls vertically on the spring so that the spring is compressed by a distance d. The net work done in the process is
A
B
C
D
Correct Answer
Option A
Detailed Explanation
The gravitational potential energy (mgh) is converted into elastic potential energy (1/2 kd²) when the ball compresses the spring.
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