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Questions  

Two bodies of mass 4 kg and 6 kg are attached to the ends of a string passing over a pulley. The 4 kg mass is attached to the table top by another string. The tension in this string T1, is equal to: Take g = l0 m/s2

a
20 N
b
25 N
c
10.6 N
d
10 N

detailed solution

Correct option is A

T = 60 NT = T1 + 40⇒ 60 = T1+40⇒T1 = 20 N

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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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