Question

20. Which of the following statements in NOT correct
O a Friction depends on mass of object
O b. Friction increases with smoothness of surface
O c. Rough surfaces offer more friction.
d. Fluid friction is called DRAG.​

Answer 1

Answer:

B is incorrect

Explanation:

Because when smoothness increases friction decreases.

Answer 2

Answer:

b .Friction increases with smoothness of surface

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