Assertion The application of brakes on the driving wheels o…

Physics JEE Main Full Syllabus Mock Test 75 Question New Syllabus TEST 1 PCM MCQ (Single Correct)

Assertion The application of brakes on the driving wheels of a bus means the reversal of the direction of friction between the wheels and the ground.

Reason The application of brakes means the application of force on the axle in the opposite direction. Consequently, the frictional force is also reversed.

Both Assertion and Reason are true and Reason is the correct explanation of Assertion

Both Assertion and Reason are true Reason is not the correct explanation of Assertion

Assertion is true but Reason is false

Assertion is false but Reason is true

Text Solution

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The correct answer is:

The application of brakes means the application of force on the axle in the opposite direction.

Consequently, the frictional force is also reversed.

Hence, the application of brakes on the driving wheels of a bus means the reversal of the direction of friction between the wheels and the ground.

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