NEET Physics Work Done Multiple Correct Question
Identify the correct statements from the following: (A) Work done by a man in lifting a bucket out of a well by means of a rope tied to the bucket is negative. (B) Work done by gravitational force in lifting a bucket out of a well by a rope tied to the bucket is negative. (C) Work done by friction on a body sliding down an inclined plane is positive. (D) Work done by an applied force on a body moving on a rough horizontal plane with uniform velocity in zero.
A
B
C
D
Correct Answer
Detailed Explanation
Statement B is correct as gravitational force does negative work when lifting a bucket. Statements A and C are incorrect, and D is correct but not the answer.
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