Two persons are raising a load pulling a...

Two persons are raising a load pulling at an angle of each other. If they exert forces of `30 N` and ` 60 N` respectively and their effective pull is at right angles to the direction of the pull of the first person, what is the angle between their pulling forces ? What is the effective pull

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The correct Answer is:

`120^(@), 30 sqrt(3)N`

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