The velocity of roller A is vA = 0.5 m/s to the right as shown, and this velocity is momentarily decreasing at a rate of 2 m/s2. Determine the corresponding value of the angular acceleration ? of bar AB as well as the tangential acceleration of roller B along the circular guide. The value of R is 0.6 m. B O 15° R G 2R Ĉ O R/2 VA

The center O of the disk has the velocity and acceleration shown in the figure. If the disk rolls without slipping on the horizontal surface, determine the velocity of A and the acceleration of B for the instant represented. Assume a = 6.5 m/s², v = 2.3 m/s, b = 0.4 m, 0 = 40°. Answers: VA = i+ i j) m/s i + i j) m/s² ag = i (i

Part A The reel of rope has the angular velocity w = 4 rad/s and angular acceleration a =7 rad/s? . (Figure 1) Determine the magnitude of the velocity of point A at the instant shown. Express your answer to three significant figures and include the appropriate units. HA ? v = Value Units Submit Request Answer Part B Determine the direction of the velocity of point A at the instant shown Express your answer using three significant figures. M AEO n vec ? O, = °. measured clockwise from the positive x-axis Figure Submit Request Answer Part C Determine the magnitude of the acceleration of point A at the instant shown. Express your answer to three significant figures and include the appropriate units. 100 mm HA L. A Value Units a = P Pearson

An 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 +. • Ch

Urgent please solve

Two pulleys are fixed to each other and driven by a belt. When the belt reaches to the velocity of v=0.1 m/s, the total acceleration of point P is 1 m/s2. Determine the acceleration of point B at that instant. 200 mm B 200 mm

= At the instant shown rod AB has an angular velocity WAB 4 rad/s and an angular acceleration AB 2 rad/s2. Determine the angular velocity and angular acceleration of rod CD at this instant. The collar at C is pin connected to CD and slides freely along AB. = a) using the relative motion analysis and the contact conditions. A 4 rad/s AB= 2 rad/s² WAB 60° 0 = 0.75 m -0.5 m В B D

Find the acceleration of the translating piston at the given instant if w1 = 10 rad/s And a, = -5 rad/s² . Present a, vector 13 in. BAR 2 form. rad/s² az in/s² w1 = 10 rad/s a1 = -5 rad/s² -BAR 1

At the instant θ = 40 ∘, the bottom A of the L = 13 ft ladder is slipping with velocity vA = -11 ft/s and acceleration aA = -6.5 ft/s2 .  (Negative sign for: clockwise rotation, left, and down motion). Determine the velocity of end B of the ladder?   Determine the ladder's angular velocity at the given instant?   Determine the ladder's angular acceleration?   Determine the acceleration of end B?

The link AB is hinged at A on the gear and at B on the collar moving along the horizontal bar. Note that the rack (toothed rod) is fixed on the ground. At the instant shown, the gear has an angular velocity of 6 rad/sec and an angular acceleration of 12 rad/sec² in the counter-clockwise direction. Determine the magnitude of the angular acceleration of the link AB. Present your answer in rad/sec² using 3 significant figures. @ = 6 rad/s a = 12 rad/s² 3 in. 2 in. 60° B 8 in. A