439_Dynamics 11ed Manual

439_Dynamics 11ed Manual - = BCD DE v C v E Find BCD DE , v...

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Engineering Mechanics - Dynamics Chapter 16 Problem 16-64 If the link AB is rotating about the pin at A with angular velocity ω AB , determine the velocities of blocks C and E at the instant shown. Given: AB 5 rad s = a 1f t = b 2f t = θ 30 deg = c 3f t = d 4f = Solution: Guesses ω BCD rad s = ω DE 1 rad s = v C 1 ft s = v E 1 ft s Given 0 0 ω AB a 0 0 × 0 0 ω BCD b cos () b sin θ () 0 × + v C 0 0 = 0 0 ω AB a 0 0 × 0 0 ω BCD c sin () c cos θ () 0 + 0 0 ω DE 0 d 0 × + 0 v E 0
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Unformatted text preview: = BCD DE v C v E Find BCD DE , v C , v E , ( ) = BCD DE 2.89 1.88 rad s = v E v C 9.33 2.89 ft s = Problem 16-65 If disk D has constant angular velocity D , determine the angular velocity of disk A at the instant shown. 437...
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