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Two masses of 10 kg and 9 kg are connected by a string that passes over a smooth pulley; What is the tension in the string \left ( g=9.81ms^{-2} \right )                                                 

Option: 1

100 N


Option: 2

92.93 N


Option: 3

52 N


Option: 4

45 N


Answers (1)

best_answer

Let us see the free-body diagram



Tension in the string will be

T=\frac{\left ( 2Mm \right )}{M+m}g
\Rightarrow T=\left ( \frac{2*10*9}{19} \right )*9.81=92.93N

Posted by

vishal kumar

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