a) Rod OA rotates about 0 in a horizontal plane. The motion of the 300g collar...

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a) Rod OA rotates about 0 in a horizontal plane. The motion of the 300g collar B is defined by the relations r = 300 + 100 cos (0.5 nt) and 0 = (t? – 3t), where r is expressed in millimeters, t in seconds, and 0 in radians. Determine the radial and transverse components of the force exerted on the collar when (a) t = 0, (b) t = 0.5s. a) Rod OA rotates about 0 in a horizontal plane. The motion of the 300g collar B is defined by the relations r = 300 + 100 cos (0.5 nt) and 0 = (t? – 3t), where r is expressed in millimeters, t in seconds, and 0 in radians. Determine the radial and transverse components of the force exerted on the collar when (a) t = 0, (b) t = 0.5s.