Multiple choice

Which of the following statements is/are false? a. A smaller block moves over a bigger block only when the pulling force applied becomes greater than the force of friction holding them together. b. In case of static friction, the object is not actually moving or sliding over the other object, it only tends to move or slide. c. Force of friction is lesser, if very rough surfaces are involved.

  1. Only a

  2. Only a and b

  3. Only b

  4. Only b and c

  5. Only c
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This is the correct option, as this statement is false. Force of friction is greater, if very rough surfaces are involved.

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