Home Physics Work, Energy, Power and Collision Assertion & Reason In this question, a statement of assertion …
Physics Work, Energy, Power and Collision Assertion & Reason MCQ (Single Correct)

In this question, a statement of assertion is followed by a statement of reason . Mark the correct choice as:

Assertion: Mountain roads rarely go straight up the slope.
Reason: Slope of mountains are large therefore more chances of vehicle to slip from roads.

A
If both assertion and reason are true and reason is the correct explanation of assertion.
B
If both assertion and reason are true but reason is not the correct explanation of assertion.
C
If assertion is true but reason is false.
D
If assertion is false but reason is true.

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Text Solution

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The correct answer is:
A

If roads of the mountain were to go straight up, the slope would have been large, the

frictional force ( ) would be small. Due to small friction, wheels of vehicle would slip. Also for going up a large slope, a greater power shall be required.

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