Question

STATEMENT-1
It is easier to pull a heavy object than to push it on a level ground.
STATEMENT-2
The magnitude of frictional force depends on the nature of the two surfaces in contact.

A

STATEMENT-1 is True, STATEMENT-2 is True; STATEMENT-2 is a correct explanation for STATEMENT-1

B

STATEMENT-1 is True, STATEMENT-2 is True; STATEMENT-2 is NOT a correct explanation for STATEMENT-1

C

STATEMENT -1 is True, STATEMENT-2 is False

D

STATEMENT -1 is False, STATEMENT-2 is True

Medium
JEE Advanced

Solution

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Correct option is
B

STATEMENT-1 is True, STATEMENT-2 is True; STATEMENT-2 is NOT a correct explanation for STATEMENT-1

Both statement are independently true but 2 is not the correct explanation of 1.
The reason of statement 1 is that while pulling, a component of force reduces the normal reaction and hence reduces the friction force.

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