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Types of Friction MCQ Questions with Answers PDF Download eBook

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MCQs on Types of Friction PDF Download eBook

MCQ: How much centripetal force is needed to make a body of mass 0.8 kg to move in a circle of radius 40 cm with a speed 2 ms−1?

  1. 5 N
  2. 6 N
  3. 7 N
  4. 8 N

D

MCQ: If the coefficient of friction between wood and marble is 0.6,mass of wood is 6 kg, then the force of friction between the wood and the horizontal marble floor will be

  1. 36 N
  2. 30 N
  3. 40 N
  4. 23 N

A

MCQ: Which of the following material lowers friction when we pushed between metal plates

  1. water
  2. air
  3. oil
  4. fine marble powder

C

MCQ: The friction offers by a slippery ground is

  1. very high
  2. very little
  3. very difficult
  4. circular

B

MCQ: If we make the sliding surfaces smooth by lubricating etc. the friction can be

  1. increase
  2. dangerous
  3. reduce
  4. all of above

C