When a ball is thrown upwards, the gravitational force acts negatively, and the kinetic energy decreases. As the ball falls, the gravitational force acts positively, and kinetic energy increases. So, work done by the gravitational force on the ball is

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Conservative

Non-conservative

Path independent

Both 1 and 3

answer is D.

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Detailed Solution

Work done by the gravitational force on the ball is conservative and Path independent.
Work done is affected by force acting on an object and its displacement (starting to endpoint). For example, when a body moves upward, the gravitational force is negative, and when a body falls, the gravitational force is positive. So the net gravitational force becomes zero. And the work done will depend on the displacement of the body, i.e., from one starting point to the endpoint, and not on the nature of the path travel.

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