(i) A force can change the direction of a moving ball. |
(ii) An iron object is repelled by a magnet when it is brought near it. |
(iii) A smooth surface produces more friction as compared to rough surface. |
(iv) Friction between our feet and the ground makes it possible for us to walk. |
A) (i) and (ii)
B) (i) and (iv)
C) (ii) and (iv)
D) Only (iv)
E) None of these
Correct Answer: B
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