A lift of mass 1000 kg which is moving with acceleration of 1 m/s2 in upward direction, then the tension developed in string which is connected to lift is :
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a
9800 N
b
10800 N
c
11000 N
d
10000 N
answer is B.
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Detailed Solution
Tension developed = m (g + a) = 1000 (9.8 + 1) = 10800 N