2. Rahul has to pull a block of solid. The static friction between its surface and the floor is 30 N. Now, he puts
two rollers between the surface of block and the floor. The rolling friction between these two surfaces
should most likely be
(b) 40N
(c) 10 N
(d) 50N
(a) 30 N
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2. Rahul has to pull a block of solid. The static friction between its surface and the floor is 30 N. Now, he puts
two rollers between the surface of block and the floor. The rolling friction between these two surfaces
should most likely be
(b) 40N
(c) 10 N
(d) 50N
(a) 30 N
(c) 10N
The relationship between the three types of friction is
The static friction > Sliding friction > Rolling friction.
Thus the rolling friction will be less than 20 hence 10.
Hope this answer will help you.✌️
Answer:
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