Physics, asked by satyajitsahoo14110, 6 hours ago

Two forces,equal in magnitude,have magnitude of their resultant equal to either,what is the angel between them

Answers

Answered by Swapnilbro

1

Answer:

R²=A²+A²+2*A cos Q

Given R=A Then,

A²=2A²+2A²cos Q

-A²=2A²cos Q

-1/2=cos Q

cos120=cos Q

hence angle=120°

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