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7. The rod CD is rotating with an angular velocity OCD = 2 rad/s. Determine: i)...

Question:

7. The rod CD is rotating with an angular velocity OCD = 2 rad/s. Determine: i) The velocity of point C and show its directio

7. The rod CD is rotating with an angular velocity OCD = 2 rad/s. Determine: i) The velocity of point C and show its direction in the figure below ii) What is the angular velocity of link BC? iii) What is the velocity of points B and E? iv) What is the angular velocity of link AB? 0.2 m 0.2 m В. E 0.4 m cd= 2 rad/s 30° D

Answers

GIVEN B C = 0.4m, co= 0.4m. EC =BE= 0.2m. Weo= 2rads CA Velocity Analysis Velo - Vevo O is fixed loco Velo = Ve Ve WCO X CDVge Wan (Alx (0.8 car 30 ( + 0.8 sin 30 (1) Vg = 0.693 CUBA () +0.4 WeA Vote VB - Vc 0 4 Woc (ſ) = 0.693 WBA (f ) +04 WBA tiVE - Ve Vele Vele WoeX EC VELE - 3.465 FÅ) x 0.2 (-2) VELE - 0-693) Vele VE-Ve 0.69 3 ) = VE- 0.8 ( => VE 0:69.3 CD +0.869) I(ii) Velocity of point B & E 0.693 WEA 9 +0.4 WBA t2 Vo = 0.623x2 Q2 +0.4x2 692 1-386 Ï ) + 0-869) ITA! / 1.386² +0.82 1.6 m/

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