The robot is programmed so that the 0.4-kg part A describes the pathr = 1 – 0.5 cos 2πt m,...

The robot is programmed so that the 0.4-kg part A describes the path

r = 1 – 0.5 cos 2πt m,

θ = 0.5 – 0.2 sin 2πt rad.

Determine the polar components of force exerted on A by the robot’s jaws at t = 2 s.