Lesson Explainer: Resultant Of Two Forces Mathematics - Nagwa

Property: Law of Sines in a Triangle Formed by Two Forces and Their Resultant

We have 𝐹𝜃=𝐹𝜃=𝑅𝛼,sinsinsin where 𝐹, 𝐹, and 𝑅 are the magnitudes of ⃑𝐹, ⃑𝐹, and ⃑𝑅, respectively, 𝛼 is the angle between forces ⃑𝐹 and ⃑𝐹, 𝜃 is the angle between ⃑𝑅 and ⃑𝐹, and 𝜃 is the angle between ⃑𝑅 and ⃑𝐹.

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