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  • A rectangular frame is to be suspended symmetrically by two strings of equal length on two supports. It can be done in one of the following three ways:

A rectangular frame is to be suspended symmetrically by two strings of equal length on two supports. It can be done in one of the following three ways:

The tension in the strings will be

a) the same in all cases

b) least in a)

c) least in b)

d) least in c)

Answers (1)

The answer is the option (c) least in b)

Let us have a look at the free body diagram for the scenario.

The net forces will amount to zero.

Vertical components

2T sin \theta - mg =0

T =\frac{mg}{2\sin \theta }

T \propto \frac{1}{\sin \theta}

 

Hence tension in all the cases is different.

And, option c is the correct choice.

Posted by

infoexpert24

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