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Given in figure are two blocks A and B o...

Given in figure are two blocks A and B of weight 20N and 100N, 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:

A

80 N

B

120 N

C

150 N

D

100 N

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • A 20 N block is being pushed across a horizontal table by an 18 N force. If the coefficient of kinetic friction between the block and the table is 0.4, find the acceleration of the block.

    A
    `0.5 m//s^(2)`
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    C
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    D
    `7.5 m//s^(2)`

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