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4-2.Friction
medium
$STATEMENT-1$ It is easier to pull a heavy object than to push it on a level ground. and
$STATEMENT-2$ 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
(IIT-2008)
Solution
In pushing Normal contact force is greater than in pulling
Standard 11
Physics
