Question

theorem of parallelogram of forces

Answer 1

it is as same as the parallelogram law of vector addition

Answer 2

Here is your answer:

"The law of parallelogram of forces states that if two vectors acting on a particle at the same time be represented in magnitude and direction by the two adjacent sides of a parallelogram drawn from a point their resultant vector is represented in magnitude and direction by the diagonal of the parallelogram drawn from the same point "

Hope it helps

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