Q. Match the Column I (work done) with Column II (value) and select the correct answer from the codes given below.
Column I Column II
A Work done in pulling out a bucket from well by a person and by gravitational force 1 Positive and negative
B Work done by friction on a body sliding down an inclined plane 2 Negative
C Work done by a person in pulling a luggage on a rough surface 3 Positive
D Work done by air in bringing a vibrating pendulum to rest and by gravitational force 4 Negative and positive

 247  158 Work, Energy and Power Report Error

Solution:

Correct answer is (d) A-(1), B-(2), C-(3), D-(4)