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Question

For the arrangement shown in the figure, the tension in the string is
1447731_f3130b1da6f1472ebf6557726c3ace96.png

A
6 N
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B
6.4 N
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C
0.4 N
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D
Zero
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Solution

The correct option is D Zero
mgsinθ=1×10×sin(27.89)
=4.67N
mgcosθ=0.8×10×cos(27.89)
=7.07N
fsmx7mgsinθ
no tension in string
Hence,
Option D is correct answer.


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