Questions
Boy is pulling the rope as shown below. Reading of the weighing machine is
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a
13kg
b
7kg
c
10kg
d
28kg
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Correct option is A
T = 5(10+4) = 70NT + N = 20gN = 200 – 70 = 130 N = 13kgwtSimilar Questions
In fig., the blocks are of equal mass. The pulley
is fixed. In the position shown, A moves with a speed u and the speed of B is v. Then
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