Question

Why is it easier to roll a stone up a sloping road than to lift it vertically upwards? Because work done
A. In rolling is more than in lifting
B. In lifting the stone is much more than rolling it
C. In both is same but the rate of doing work is less in rolling
D. In rolling a stone is less than in lifting it

Answer 1

i think the correct answer is C

Answer 2

Answer:

What is more convenient rolling of stone on a sloping road than to lift it vertical upwards?

A. Rolling is more convenient and more work done as compare to the  lifting

B. The work done by the  rolling stone is equal to the lifting

C. The work done in both is same but the rate of doing work is less in rolling

D. The work done in rolling a stone is less than in lifting it

Ans: D

Explanation: