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As shown in figure pulley is ideal and s...

As shown in figure pulley is ideal and strings are massless.If mass m of hanging block is the minimum mass to set the equilibrium of system, then -

A

m = 2.5 kg

B

m = 5kg

C

force applied by 20 kg block on inclined plane is 179 N

D

force applied by 20 kg block on inclined plane is 223 N

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The correct Answer is:
A, C
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MOTION-NLM & FRICTION-EXERCISE-2(Level-II)
  1. In the arrangment shown pulley is ideal and string is massless. 5kg bl...

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  2. A particle is resting over a smooth horizontal floor. At t = 0, a hori...

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  3. As shown in figure pulley is ideal and strings are massless.If mass m ...

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  4. A block of mass 1 kg is at rest relative to a smooth wedge leftwards ...

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  5. A wedge of mass m(1) and a block of mass m(2) are in equlibrium as sho...

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  6. As shown in figure two blocks A and B of mass 1kg each are connected b...

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  7. A block of mass 1 kg is placed on a rough wedge which is fixed on an e...

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  8. In the system shown in the diagram all surfaces are smooth, pulley and...

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  9. Two masses m(1)=4kg and m(2)=2kg are connected with an nextansible , m...

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  10. A block A of mass 7 kg is placed on a frictionless table. A thread tie...

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  11. In the system shown in the figure m(1) gt m(2). System is held at rest...

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  12. A lift starts moving down with 20 m//s^(2). Then which of the followin...

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  13. A particle slides down a smooth inclined plane of elevation theta fixe...

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  14. Which of the following is true ?

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  15. A block of mass 2.5 Kg is kept on a rough horizontal surface. It is fo...

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  16. NOT QUESTION

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  17. As shown in figure, A is a man of mass 60 kg standing on a block B of ...

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  18. In the figure, the blocks are of equal mass. The pulley is fixed. In t...

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  19. Two blocks A and B of equal mass m are connected through a massless st...

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  20. In the system of connected bodies in the adjoining figure. The surface...

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