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Coefficients of Friction

A vehicle is ...

Question

A vehicle is moving on a road with an acceleration $40 m / s^{2}$ as shown in figure. the minimum coefficient of friction between the vehicle and the block so that the block does not fall downward is $(g = 10 m / s^{2})$

A

0.10

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B

0.25

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C

0.05

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D

0.20

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Solution

The correct option is B $0.25$

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