A block A of mass 200 kg rests on a block B of mass 300 kg. A is tied with a horizontal string to a wall. Coefficient of friction between A and B is 0.25 and that between B and floor is 0.2. The horizontal force F needed to move the block B is
(g = 10 ms –2 )
Text Solution
Verified by ExpertsThe correct answer is:
C
The horizontal force F needed to move the block B
= 0.25 (200g) + (0.2) (500 g) = 1500 N.
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