Learn types of friction MCQs in physics quiz for test prep. Dynamics quiz questions has multiple choice questions (MCQ), types of friction test as 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 msâˆ’1. Answer key help with choices as 5 n, 6 n, 7 n and 8 n problem solving for competitive exam, viva prep, interview questions worksheets. Free physics revision notes to practice types of friction quiz with MCQs to find questions answers based online tests.

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 msâˆ’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. none of above

C