201_Dynamics 11ed Manual

201_Dynamics 11ed Manual - D , = 1 . Neglect the size of...

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Engineering Mechanics - Dynamics Chapter 13 Given: M 0.2 kg = v 0.5 m s = a 300 mm = b 400 mm = c 200 mm = g 9.81 m s 2 = Solution: Guesses T 1N = N B 1N = Set θ atan a b = 36.87 deg = ρ c a 2 b 2 + a = 120mm = Given T sin () N B cos () M v 2 = T cos () N B sin () + Mg 0 = T N B Find TN B , () = T N B 1.82 0.844 N = Problem 13-73 The pendulum bob B of mass M is released from rest when = 0°. Determine the initial tension in the cord and also at the instant the bob reaches point
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Unformatted text preview: D , = 1 . Neglect the size of the bob. Given: M 5 kg = 1 45 deg = L 2 m = g 9.81 m s 2 = Solution: Initially, v = so a n = T = At D we have M g cos 1 ( ) M a t = a t g cos 1 ( ) = a t 6.937 m s 2 = T D M g sin 1 ( ) M v 2 L = Now find the velocity v Guess v 1 m s = 199...
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