Eamcet Physics - 1 st Year : Unit 3.3( Laws of Motion ) - Horizontal Plane Free Online Tests | Mock Tests | Preparation | Practice Tests

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A): When a body moves on rough surface the mechanical energy is not constant
R): Friction is non-conservative force

A. Both (A) and (R) are true and (R) is the correct explanation of (A)

B. Both (A) and (R) are true and (R) is not the correct explanation of (A)

C. (A) is true but (R) is false

D. (A) is false but (R) is true

E. None of the above

View Answer

Correct choice: A

Explanation:

None

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