Chapter 13, Problem 8RP

2 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/s

4. The man pulls on the rope at a constant rate of o.5 m/s. Determine the angular velocity and angular acceleration of beam AB when e = 60°. The beam rotates about A. Neglect the thickness of the beam and the size of the pulley. 6m 6 m

At the instant shown, the arm OA of the conveyor belt is rotating about the Z axis with a constant angular velocity w₁ = 6.5 rad/s, while at the same instant the arm is rotating upward at a constant rate w₂ = 3.6 rad/s. (Figure 1) Figure 7=6ft 10-450 Part A If the conveyor is running at a rate=5 ft/s, which is increasing at f=8 ft/s², determine the velocity of the package Pat the instant shown. Neglect the size of the package. Enter the I, y, and 2 components of the velocity in feeet per second to three significant figures separated by commas. IVE] ΑΣΦΩΤΟ Vp = Submit Part B ap= Request Answer Submit Determine the acceleration of the package P at the instant shown. Enter the I, y, and 2 components of the acceleration in feet per second squared to three significant figures separated by commas. ΠΙΑΣΦΩΠ Request Answer vec 6 A < Return to Assignment vec ? Provide Feedback ft/s ? ft/s²

At the instant shown in the figure below, the arm AB of the conveyor belt is rotating about the Y axis with a constant angular velocity ω1 = 12 rad/s, while the arm is rotating upward at a constant rate ω2 = 8 rad/s. At that instant, the package is a distance r = 12 m from A, and the conveyor belt is running at a constant speed of ̇r = 10 m/s. Determine the velocity and acceleration of the package P at the instant shown. Neglect the size of the package.

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.

At the instant shown, link CD rotates with an angular velocity of W = 7.5 rad/s. If it is subjected to a couple moment M = 300 N·m, determine the magnitude of the angular acceleration (rad/s²) of link CD. The block has a mass of 50 kg and center of mass at G. Neglect the mass of links AB and CD. (Hint, since the mass of link AB or CD is negligible, the external force or moment acting on it sums up to O.) Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point, and proper unit. Take g = 9.81 m/s². 0.1 m 0.4 m 0.4 m G Your Answer: Answer B 0.6 m ω A M C

The rod OA rotates CW with a constant angular velocity of 6 rad/s. Two pin-connected slider blocks located at B move freely on OA and the curved rod whose shape is a liamcon described by the equation r = 200 ( 2 – cosƟ) mm. Determine the speed of the slider blocks at the instant Ɵ=150°.

At a given instance, the fan shown below has an angular motion w₁ = 0.6 rad/s about the z-axis, which is increasing at 12 rad/s². The blade is also spinning at w2 = 18 rad/s, which is decreasing at 2 rad/s². Determine the magnitude of the blade's angular acceleration a at this instant. Give the answer in units of rad/s². Z @2 30° X @1

3.0 m/s relative to the bar as shown. The distances are L = 2.97 m and d 0.82 m The small collar A is sliding on the bent bar with speed Simultaneously, the bar is rotating with angular velocity w 1.34 rad/s about the fixed pivot B. Take the x-y axes to be fixed to the bar and determine the Coriolis acceleration acor of the slider for the instant represented. Interpret your result. BC Answer: acor =( | i ii j) m/s2