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Question
Two blocks of mass 2 kg and 6 kg are attached to the ends of a string passing over a pulley. The 2 kg mass is attached to the table top by another string. The tension in this string T′ is [Take g=10m/s2]
Two blocks of mass 2 kg and 6 kg are attached to the ends of a string passing over a pulley. The 2 kg mass is attached to the table top by another string. The tension in this string T′ is [Take g=10m/s2]
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Solution
The correct option is B 40 N
For 6 kg block
T = mg
= 6g
For 2 kg block
T – T′- m′g = 0
T′ = T –m′g
= 6g – 2g
= 4g
= 40 N
For 6 kg block
T = mg
= 6g
For 2 kg block
T – T′- m′g = 0
T′ = T –m′g
= 6g – 2g
= 4g
= 40 N
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