Assertion (A): A work done by the gravitational force is zero in closed path. Reason (R) : Gravitional force is a conservative force.
A
A and R are correct and R is the correct explanation of A
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B
A and R are correct and R is not the correct explanation A
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C
A is true and R is false
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D
A is false and R is true
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Solution
The correct option is A A and R are correct and R is the correct explanation of A Gravitational force is a conservative force. A conservative force is one in which the work done is path independents and depends only upon the position of the object. Hence work done by gravitational force is zero in a closed path, since both the initial point and final point are the same.