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): Friction helps the motion of a body on a rough surface.
(R): Frictional force is electro magnetic in nature.

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: B

Explanation:

None

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