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Four identical blocks each of mass m are...

Four identical blocks each of mass m are linked by threads as shown. If the system moves with constant acceleration under the influence of force F, the tension `T_(2)` is

A

F

B

F/2

C

2F

D

F/4

Text Solution

Verified by Experts

The correct Answer is:
B

`F=4marArra=(F)/(4m)`

`T_(2)=(m+m)a=2mxx=(F)/(4m)=(F)/(2)`
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CP SINGH-NEWTONS LAWS OF MOTION-EXERCISES
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  2. Two blocks are connected by a string as shown in the diagram. The uppe...

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  3. Four identical blocks each of mass m are linked by threads as shown. I...

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  4. A block of mass m(1) rests on a horizontal table. A string tied to the...

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  5. A uniform chain of mass 2 kg hangs from a light pulley with unequal le...

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  6. A string of negligible mass going over a clamped pulley of mass m supp...

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  7. A body sliding on a smooth inclined plane requires 4s to reach the bot...

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  8. A particle starts sliding down a frictionless inclined plane. If S(n...

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  9. A block of mass 10kg is pushed up on a smooth incline plane of inclina...

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  10. Two blocks of masses 3 kg and 6 kg are connected by a string as shown ...

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  11. The acceleration of system over the wedge as shown in the figure is

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  12. A rope of length 5 m is kept on frictionless surface and a force of 5 ...

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  13. A uniform rope of length of length L is pulled by a force F on a smoot...

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  14. A block of mass M is pulled along a horizontal frictionless surface by...

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  15. In the previous problem if M=2m, the tension in the middle of the rope...

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  16. Consider the situation as shown in the figure. The system is free to m...

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  17. A monkey of mass 20kg is holding a vertical rope. The rope will not br...

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  18. A man slides down a light rope whose breaking strength is eta times hi...

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  19. Blocks A and B have masses of 2 kg and 3 kg. respectively. The ground ...

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  20. Three block of masses m(1),m(2) and m(3) kg are placed in contact with...

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