Question

Two vectors of magnitude 2N Aare to inclined at 30° to each other. Find the magnitude and direction by the resultant vector?​

Answer 1

Answer:

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Explanation:

What is the magnitude of the resultant of two forces of magnitude 8N and 5N acting at an angle of 60° to each other?

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You can use the parallelogram law of vector addition which is

R=√(A^2 + B^2 + 2ABcos θ)

Where A and B are the 2 forces and θ is the angle between them.

Here A=8N B=5N and θ = 60°

So resultant will be

√(64+ 25 + 40*0.5)

=√(89+20)

=√109 N