A) 1.2 kg
B) 0.5 kg
C) 20 kg
D) 3 kg
E) 4kg
Correct Answer: A
Solution :
Balance condition is weight of disc = upward force due to 40 stones \[\Rightarrow \] \[M\times 10=40\times 0.05\times 6\] \[\Rightarrow \] \[M=1.2kg\]You need to login to perform this action.
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