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Questions  

Two masses of 10 kg and 5 kg are suspended from a rigid support as shown in figure. The system is pulled down with a force of 150 N attached to the lower mass. The string attached to the support breaks and the system accelerates downwards.

In case the force continues to act. what will be the tension acting between the two masses?

a
300 N
b
200 N
c
100 N
d
zero

detailed solution

Correct option is C

F=ma, a=Fm,T=m(a−g)

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Two forces are acting on a rope lying on a smooth table as shown in figure.

Which of the following statement (s) is/are correct?
I. In moving from A to B, tension on string decreases from 2F to F.
II. Situation will becomes indeterminant, if we take it a massless string. 


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