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When a person walks on a rought surface,...

When a person walks on a rought surface, the frictional force exerted by surface on the porson is opposite to the direction of his motion.
It is the force exerted by the road on the person that causes the motion.

A

If both Accertion and Reason are true and the reason is correct explanation of the Assertion.

B

If both Assertion and Reason are true but reason is not the correct explanation of Assertion.

C

If Assertion is true, but the Reason is false.

D

If Assertion is false but the Reason is true.

Text Solution

Verified by Experts

The correct Answer is:
D
Friction (or you can say net force on man from ground) is in the direction of motion.
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When a person walls on a rought surface, the frictional force exerted by the surface on the person is opposite to the direction of his motion.

When a person walks on a rough surface, the frictional force exerted by the surface on the person is opposite to the direction of his motion.

When a person walks on a rough surface .

These questions consists of two statements each printed as Assertion and Reason. While answering these question you are required to choose any one of the following four responses Assertion When a person walks on a rough surface, the net force exerted by surface on the person in the direction of his motion. Reason It is force exerted by the road on the person that causes the motion.

Assertion: When a person walks on a rough surface, the frictional force exerted by the surface on the person is opposite to the direction of tendenc of motion his leg. Reason: If a body moves with constant velocity, then it means that body is moving along straight line & there is no acceleration.

What happens when force is applied in the direction of motion?

The force exerted by surface tension on the free surface