A force F~ = Fx ˆı + Fy ˆ acts on a particle that
undergoes a displacement of ~s = sx ˆı + sy ˆ
where Fx = 7 N, Fy = −1 N, sx = 3 m, and
sy = 3 m.
Find the work done by the force on the
particle.
Answer in units of J.

Find the angle between F~ and ~s.
Answer in units of ◦