ME 242 Selected Answers Chapter 6

ME 242 Selected Answers Chapter 6 - 6.1 Relative Velocities...

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Unformatted text preview: 6.1 Relative Velocities on a Rigid Body 6.1.2 || * v A || = 7 . 26 10- 2 m/s 6.1.4 * v B = v A * 6.1.6 The wheel is slipping. 6.1.8 * avg =- 30 * k rad/s 6.1.10 min = 104 . 5rpm 6.1.12 Case (b) produces the higher velocity. 6.1.14 * v A = 4 * m/s 6.1.16 * v B = 0 , * v C =- 2 * j m/s , * v A =- 1 * j m/s , * v D = 1 * i- 1 * j m/s 6.1.18 * 2 =- 60 * k rad/s 6.1.20 * v A =- 4 . 8 * m/s 6.1.22 * v E =- 10 * j m/s 6.1.24 * v B = (- 9 * + 4 . 5 * )ft/s 6.1.26 * v A = 10( * + * )cm/s 6.1.28 Possible if and only if cos 2 cos 1 = 2 6.1.30 || * r B / A || = 5ft 6.1.32 Response is periodic and not very close to a cosine wave. 6.1.34 * v C = (- 22 . 1 * + 7 . 91 * )m/s 6.1.36 =- 1 . 5rad/s 6.2 Instantaneous Center of Rotation 6.2.2 * v D = (1 . 2 * + 1 . 2 * )m/s 6.2.4 Possible if and only if cos 2 cos 1 = 2 6.2.6 C s velocity is zero....
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This note was uploaded on 09/19/2009 for the course ME 242 taught by Professor Kam during the Spring '06 term at Nevada.

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