Question

Problem 2: Arm OA rotates about O. The positive 0-direction is definert ss eosss terclockwise from the fixed a-axis indicated in the igure. The partiele P Ys s tm of 2 kg and is constrained to move on a track in the horizontal plane describes polar coordinates by2+sin 30, where r is the radial coordinate mensuree pusred fro meters. For the instant where-0°, θ : 0.2 rad/s, andi-0.15 τα,.enl e magnitude of the force (N) applied by arm OA. 2+sin 30 at

Answer 1

o, 15 and/set, e 2m gn onden to pod He diechen d| ษ uutn ao.bed to n-aus 3 330 3 3

tame 0.69 m/e au 允 OA drsechon FOA= 2x0.YG十WtQ.ygX. 3 = |F= 22.6N g 2. GN