Question

4. One of the rectangular components of a force of 40 N is 20 N. Find the angle it makes this component. Tuin nornandicular forces of magnitudes 10 N and 5 N'act at a point. Find their resultar 5​

Answer 1

Answer :Let the angle made by the force with the 20N component be Θ.

Then , 40cosΘ = 20

cosΘ =   1 by 2                

Θ = 60 ∘

Magnitude of the other component = ∣40sin(Θ)∣

                                                           = ∣40sin(60∘ )∣

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