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The disk shown moves in the xy plane. Knowing that
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Vector Mechanics for Engineers: Dynamics
- Collars A and B are attached by a rod of length 30 cm, as shown below. The joint at A is a ball-and-socket and at B a pin joint. Collar A moves in the z direction, while the guide bar for collar B is on xy plane. At the instant shown, collar A is at a height of 24 cm and collar B is moving with a speed of 3 m/s towards the x axis. Find the (a) angular velocity of the rod, and (b) the sliding of collar B. Use the image attached to solve the questionarrow_forward3. The solid cylinder rotates around z-axis at constant angular velocity. At the instant shown, point P on the rim of the cylinder is at an angle of 0 = 25° w.r.t. x-axis and has a velocity in the x direction of vx = 5.3 ft/s, determine the angular velocity, , of the disk, and the acceleration, a, of point P, express the acceleration in vector form in terms of its x and y components. The radius of the cylinder is r = 6 in. a = -285.07762-132.934j [ft/sarrow_forward4. The motion of the rectangular plate P is controlled by the two links which cross without touching. At the instant shown, the links are perpendicular to each other and the plate has a counterclockwise angular velocity wp = 2 rad/s. Determine the angular velocities (magnitude and direction) of the two links, woa and wDB- Ans. woA = 1.33 rad/s (ccw); @pB = 1.20 rad/s (ccw) @p = 2 rad/s D В 0.2 m AO = 0.6 m BD = 0.5 m - 0.2 marrow_forward
- The system shown is composed of equal-length bars (L=0.20m). At the instant shown, the velocity of the midpoint of bar DC is 2m/s directed to the right. A. Identify the type of motion of each bar. B. Determine the angular velocities of each bar.arrow_forwardAt the instant shown, the link AB of the four-bar linkage has a counterclockwise angular velocity of @43 = 19 rad/s. Determine the magnitude and direction of the angular velocites of link 04 (@o4) and link CBD (@cD). Dimensions: Icg = 0,13 m; Igp = 0,06 m; Ico = 0,04 m; lo4 = 0,08 m B L. WAB A Ico Lütfen birini seçin: O a. w_OA = 42,8 rad/s CW; w_CD = 28,5 rad/s CW %3D O b. w_OA = 51,3 rad/s CW; w_CD = 34,2 rad/s CW O c. w_OA = 28,5 rad/s CW; w_CD = 19,0 rad/s CW %3D O d. w_OA = 51,3 rad/s CCW; w_CD = 34,2 rad/s CCW O e.w_OA = 42,8 rad/s CCW; w_CD = 28,5 rad/s CCW O f. w_OA = 28,5 rad/s CCW; w_CD = 19,0 rad/s CCWarrow_forwarddraw the free body diagramarrow_forward
- The 2m- long uniform bar AB rotates about A with an angular velocity of 1.5 rad/s CW and angular acceleration of 1 rad/sec2 CCW. What is the velocity of point B? 、一 B center C 4 m/s 3.5 m/s 3 m/s 2.5 m/sarrow_forwardmechanism shown, vertical rod have upward velocity v= 3ft/s. find speed of point C and A using method of instantaneous center of zero velocity, roller C is continuous with the horzintal surface.arrow_forwardI need the answer quicklyarrow_forward
- In Fig. below; rod AB rotates about an axis through A and is connected to block D by a flexible and inextensible cable. Determine the linear velocity of block D when 0 = tan' ( 3/4), and the angular velocity of AB is 2.5 rad/ sec counterclockwise. Fig.2.B 1.5 m 2.5 m Darrow_forwardNonearrow_forwardAt the instant shown, the link AB of the four-bar linkage has a counterclockwise angular velocity of w AB = 19 rad/s. Determine the magnitude and direction of the angular velocites of link OA (wo4) and link CBD (@cD). Dimensions: Icg = 0,13 m; İBD = 0,06 m; Ico = 0,04 m; loa = 0,08 m D y B L--x WAB A Ico Lütfen birini seçin: a. w_OA = 42,8 rad/s CW; w_CD = 28,5 rad/s CW %3D O b. w_OA = 51,3 rad/s CW; w_CD = 34,2 rad/s CW O c. w_OA = 28,5 rad/s CW; w_CD = 19,0 rad/s CW O d. w_OA = 51,3 rad/s CCW; w_CD = 34,2 rad/s CCW O e.w_OA = 42,8 rad/s CCW; w_CD = 28,5 rad/s CCW %3! %3D O f. w_OA = 28,5 rad/s CCW; w_CD = 19,0 rad/s CCW %3!arrow_forward
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