A force F (6i 2j) N acts on a particle that undergoes a displacement r (3i j) m Find (a) the work done by the force on the particle and (b) the angle between F and r

Question: A force F = (6i 2j) N acts on a particle that undergoes a displacement r = (3i + j) m. Find (a) the work

A force F = (6i ─ 2j) N acts on a particle that undergoes a displacement Δr = (3i + j) m. Find (a) the work done by the force on the particle and (b) the angle between F and Δr.

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