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Peg P is driven by the fork link OA along the curved path described by
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- 2. The angular velocity of the drum is increased uniformly from 6 rad/s when t = 0 to 10 rad/s when t = 4 s. Find the magnitudes of the velocity and acceleration of points A and B on the belt the instant when t = 3 s. 4 in.arrow_forwardAn external drive system actuates the mechanism by applying a moment M at bearing D. At the instant 0 = 30°, the velocity of point C is 14 m (upward to the left) and the angular acceleration of link CD is 45 rad in the CCW direction. Determine the x-component of the velocity vector of point G in m at this instant. Consider L 4 metres. E B y M.arrow_forwardAn external drive system actuates the mechanism by applying a moment M at bearing D. At the instant 0 = 25°, the magnitude of the velocity vector of point C is 20 m and the angular acceleration of link CD is 45 rad in the CCW direction. s2 rad Determine the angular acceleration vector of link CE (in ) at this instant. Consider L = 6 metres. E 2 4 Marrow_forward
- Bar AB is pinned to the fixed support at A, and the collar B is pinned to the bar at its opposite end. The bar CD can slide freely through the collar at B. At the instant shown, bar AB is horizontal, /= 1.2 m, s = 1.07 m, 0 = 60°, and wAB= 40 rad/s. If ªäß = 21 rad/s² at the instant shown, determine the angular velocity and angular acceleration of the bar CD. WAB αAB с. B The angular velocity of the bar CD is The angular acceleration of the bar CD is k rad/s. k rad/s².arrow_forwardAn external drive system actuates the mechanism by applying a moment M at bearing D. At the instant 0 = 55°, the magnitude of the velocity vector of point C is 19 m and the angular acceleration of link CD is 30 rad in the CCW direction. Determine the angular velocity vector of link CE (in L = 2 metres. rad :) at this instant. Consider E y +. • Charrow_forwardThe hoop is cast on the rough surface such that it has an angular velocity ω = 5 rad/s and an angular acceleration α = 5 rad/s2 . Also, its center has a velocity vO = 3 m/s and a deceleration aO = 5 m/s2 .(Figure 1). Determine the acceleration of point A at this instant. Enter the x and y components of the acceleration separated by a comma.arrow_forward
- 126 The two V-belt pulleys form an integral unit and ro- tate about the fixed axis at O. At a certain instant, point A on the belt of the smaller pulley has a veloc- ity UA = 1.5 m/s, and point B on the belt of the larger pulley has an acceleration ag = 45 m/s2 as shown. For this instant determine the magnitude of the acceleration ac of point C and sketch the vector in your solution. 800 mm ав B 360 mm Problem 5/26 A VA 150 mmarrow_forwardAn external drive system actuates the mechanism by applying a moment M at bearing D. At the instant 0 = 45°, the magnitude of the velocity vector of point C is 10 m and the angular acceleration of link CD is 35 rad in the CCW direction. Determine the y-component of the acceleration vector of point C in m at this instant. Consider L 6 metres. E AOarrow_forwardAn external drive system actuates the mechanism by applying a moment M at bearing D. At the instant 0 = 30°, the magnitude of the velocity vector of point C is 16 m and the angular acceleration of link CD is 40 rad in the CCW direction. Determine the x-component of the acceleration vector of point C in s2 m instant. Consider L = 6 metres. at this E L В C D yarrow_forward
- At the instant shown, the shaft and plate rotate with an angular velocity of 14 rad/s and angular acceleration of 7 rad/s?. Determine the speed and acceleration of point D, located in the corner of the board right now. Express the result in the form of a Cartesian vector. 0.6 m 0.2 m 0.4 m 0.3 m 0.3 m 0.4 marrow_forwardThe cam is designed so that the center of the roller A which follows the contour moves on a limaçon defined by r = b - c cos θ, where b = 450 mm and c = 205 mm. If the cam does not rotate, determine the magnitude of the total acceleration of A when θ = 75° if the slotted arm revolves with a constant counterclockwise angular rate θ˙ = 2.9 rad/s.arrow_forward2 Determine the angular velocity of links AB and BC at the instant 0 = 30°. Also, sketch the position of link BC when 0 = 55°, 45°, and 30° to show its general plane motion. B 1 ft 3 ft °c = 6 ft/sarrow_forward
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