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Q.

Two bodies of mass 10 kg and 15 kg are tied to the ends of a massless string. The string passes over a pulley which is frictionless (see figure). The acceleration of the system in terms of acceleration due to gravity (g) is:

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a

g2

b

g3

c

g5

d

g10

answer is B.

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Detailed Solution

The acceleration of the system is given by:

a=(15−10)g10+5 ⇒a = 5g15 = g3

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