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In the figure shown, the coefficient of ...

In the figure shown, the coefficient of static friction between the block A of mass 20 kg and horizontal table is 0.2. What should be the minimum mass of hanging block just beyond which blocks start moving?

A

2 kg

B

3 kg

C

4 kg

D

5 kg

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The correct Answer is:
C
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AAKASH INSTITUTE-LAWS OF MOTION-Assignment (SECTION-A)
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  5. An object of mass 1 kg moving on a horizontal surface with initial ve...

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  6. A heavy box is slid across a rough floor with an initial speed of 4 m/...

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  7. If a block moving up an inclined plane at 30^(@) with a velocity of 5 ...

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  8. A chain is lying on a rough table with a fraction 1/n of its length ha...

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  9. A block has been placed on an inclined plane with the slope angle thet...

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  10. A horizontal force of 10N is necessary to just hold a block stationary...

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  11. In the figure shown, the coefficient of static friction between the bl...

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  16. A car is moving on a horizontal circular track of radius 0.2 km with a...

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