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Two masses 2 kg and 3 kg are attached to...

Two masses 2 kg and 3 kg are attached to the end of the string passed over a pulley fixed at the top. The tension and acceleration are

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The correct Answer is:
D

`T-2g=2a" …(1) "3g-T=3a" …(2)"`
add (1) and (2)
`g=5a rArr a=g//5`
Put the value of in a in eqn. (1)
`T-2g=2xx(g)/(5)rArr T=2g+(2g)/(5)`
`T=(12)/(5)g`
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NARAYNA-LAW OF MOTION-EXERCISE - IV
  1. Two blocks m(1) = 5 g and m(2)= 10 g are hung vertically over a light ...

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  2. In the figure a smooth pulley of negligible weight is suspended by a s...

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  3. Two masses 2 kg and 3 kg are attached to the end of the string passed ...

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  4. Two bodies of mass 6 kg and 4 kg are tied to a string as shown in the ...

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  5. The pulley arrangements shown in figure are identical, the mass of the...

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

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  7. Two masses of 8 kg and 4 kg are connected by a string as shown in figu...

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  8. An empty plastic box of mass m is found to accelerate up at the rate o...

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  9. A monkey is decending from the branch of a tree with constant accelera...

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  10. Fig. shows a system of three masses being pulled with a force F. the m...

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  11. Fig. shows a block of mass m(1) resting on a smooth surface. It is con...

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  12. A 100 kg block is suspended with the help of three strings A, B and C....

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  13. A frictionless inclined plane of length l having inclination theta is ...

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  14. Friction

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  15. A box is placed on an inclined plane and has to be pushed down.The ang...

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  16. Figure shows two block A and B pushed against the wall with the force ...

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  17. If mu(k) is the coefficient of kinetic friction and mu(s) the coeffici...

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  18. A block of mass m is placed on a rough floor of a lift . The coeffi...

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  19. When a horse pulls a wagon, the force that causes the horse to move fo...

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  20. The coefficient of static friction, mu(s) between block A of mass 2 k...

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