In the arrangement shown, by what acceleration (in ms−2) the boy must go up so that 100kg block remains stationary on the wedge. The wedge is fixed and friction is absent evervwhere. (Take g=10m/s2)
A
6.0
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B
6
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C
6.00
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Solution
For block to be stationary T=800N
If man moves up by acceleration 'a'