1.

Rolling stones on a sloping road is easier than lifting vertically upwards because

A. The work done in rolling the stone is less than lifting it.
B. The work done in both is the same, but the rate of work in rolling is low.
C. The work done in rolling the stone is much simpler than lifting it.
D. The work done in lifting the stone is similar to rolling it.
Answer» B. The work done in both is the same, but the rate of work in rolling is low.


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