A) Both statements I and II are true, statement II is the correct explanation for statement I.
B) Both statements I and II are true, statement II is not the correct explanation for statement I.
C) Statement I is true and statement II is false.
D) Statement I is false and statement II is true.
Correct Answer: A
Solution :
Rolling reduces friction. It is always easier to roll than to slide a body over another. That is the reason it is convenient to pull luggage fitted with rollers. The rolling friction is smaller than the sliding friction. The correct answer is A.You need to login to perform this action.
You will be redirected in
3 sec