A) g
B) 3g
C) 2g
D) 4g
Correct Answer: B
Solution :
Here the tension in the cord is given by \[T=mg+ma\] (Here: upwards acceleration = a. mass of sphere \[=m,T=4\,ma)\] So, \[4mg\,=mg+ma\] \[3mg=ma\] \[g=\frac{a}{3}\] or \[a=3g\]You need to login to perform this action.
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