Question

Assertion (A) and the other labeled Reason (R). Select the correct answer to these:

Assertion : When a bicycle is in motion, the force of friction exerted by the ground on the two wheels is always in forward direction.
Reason : The frictional force acts only when the bodies are in contact.

Answers:
1. Both A and R are true and R is correct explanation of the assertion.

2. Both A and R are true but R is not the correct explanation of the assertion.

3. A is true but R is false.

4. A is false but R is true.

Answer 1

correct option is b both a and r are true but r is not the correct explainion of the assertion

Answer 2

Answer:

4. A is false but R is true. The force of friction always acts in the backwards direction.

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