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A 80 kg man is standing on a weightless ...

A 80 kg man is standing on a weightless weighing machine as shown in the figure if mass of hanging block is 40 kg, then reading of weighing machine, is

A

80 kg wt

B

20 kg wt

C

40 kg wt

D

120 kg wt

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AAKASH INSTITUTE ENGLISH-TEST 2-Exercise
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