418_Dynamics 11ed Manual

418_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 16 Hence, Δ r s 2 π Δθ = d r d t s 2 ω = a p s 2 2 = Problem 16-31 The sphere starts from rest at θ = 0° and rotates with an angular acceleration α = k . Determine the magnitudes of the velocity and acceleration of point P on the sphere at the instant = 1 . Given: 1 6 rad = r 8in = φ 30 deg = k 4 rad s 2 = Solution: k 1 = 2 2 k 1 2 2 = k 1 = v P r cos () = v P 6.93 ft s = a P r cos () () 2 2 r cos () () 2 + = a P 84.3 ft s 2 = *Problem 16-32 The rod assembly is supported by ball-and-socket joints at
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This note was uploaded on 08/16/2011 for the course EGN 3321 taught by Professor Christianfeldt during the Spring '08 term at University of Central Florida.

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