397_Dynamics 11ed Manual

397_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 15 Solution: + ⎯⎯→ Σ F s = m t v d d v Di t m i d d + At a time t , mm 0 ct + = Where, c t m i d d = m' t x d d = m'v = Here, v Di v = t v d d 0 = Fm 0 m'vt () 0 () vm 'v () + = m'v 2 = F m'v 2 = Problem 15-134 Determine the magnitude of force F as a function of time, which must be applied to the end of the cord at A to raise the hook H with a constant speed v . Initially the chain is at rest on the ground. Neglect the mass of the cord and the hook. The chain has a mass density ρ .
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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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