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At what angle should the two force vecto...

At what angle should the two force vector 2F and `sqrt(2)F` act so that the resultant force is `sqrt(10)F`?

A

`45^(@)`

B

`60^(@)`

C

`90^(@)`

D

`120^(@)`

Text Solution

Verified by Experts

The correct Answer is:
A
`(a) Psqrt(10)=sqrt(4P^(2)+2P^(2)+4sqrt(2)P^(2)costheta)`
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