376_Dynamics 11ed Manual

376_Dynamics 11ed Manual - Engineering Mechanics Dynamics...

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Engineering Mechanics - Dynamics Chapter 15 T B T C v B v C θ C Find T B T C , v B , v C , C , () = T B T C 7.50 20.85 lb = C 76.12 deg = v B 8.97 ft s = v C 13.78 ft s = Problem 15-105 The block of weight W rests on a surface for which the kinetic coefficient of friction is μ k . It is acted upon by a radial force F R and a horizontal force F H , always directed at angle from the tangent to the path as shown. If the block is initially moving in a circular path with a speed v 1 at the instant the forces are applied, determine the time required before the tension in cord
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