Two bodies of mass 4kg and 6kg are attached to the ends of a string passing over a pulley . The 4kg mass is attached to the table top by another string.The tension in this string T1 is equal to
A
19.6N
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B
25N
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C
10.6N
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D
10N
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Solution
The correct option is A19.6N 6g−T=babuta=0bg−T=0→(i)T=6gT−4g+T1=0→(ii)6g−4g+T1=02g=−T1T1=2×9.8=19.6N