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JEE Main 2015 Paper

Section: Physics

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Question : 74 of 90

Marks: +1, -0

Given in the figure are two blocks A and B of weight 20 N and 100 N respectively. These are being pressed against a wall by a force F as shown. If the coefficient of friction between the blocks is 0.1 and between block B and the wall is 0.15, the frictional force applied by the wall on block B is

80 N
120 N
150 N
100 N

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