Multiple choice

Which of the following statements is/are false?

a. The interlocking of irregularities of the two surfaces opposes the motion of one object over the other and gives rise to force of friction. b. Vehicles are able to move on road because of the presence of friction between their tyres and the surface of road. c. Cars and speedboats are streamlined to increase drag.

  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. Cars and speedboats are streamlined to reduce drag.

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