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Questions  

Two blocks of masses m1 and m2 are connected as shown in the figure. The acceleration of the block m2, is:

 

a
m2gm1+m2
b
m1gm1+m2
c
4m2g-m1gm1+m2
d
m2gm1+4m2

detailed solution

Correct option is

Let a = accn of m1; accn of pulley = a+02 = a2If acceleration of m2 = bThen 0+b2 = a2Hence a = b    T = m1a, m2g -T = m2a∴   a = m2gm1+m2

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Similar Questions

Two masses of I kg and 5 kg are attached to the ends of a massless string passing over a pulley of negligible weight. The pulley itself is attached to a light spring balance as shown in figure. The masses start moving during this interval; the reading of spring balance will be:


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