16-142. At the instant shown, the robotic arm AB isrotating counterclockwise at w = 5 rad/s and has an angularacceleration a = 2 rad/s. Simultaneously, the grip BC isrotating counterclockwise at o' = 6 rad/s and a' = 2 rad/s²,both measured relative to a fixed reference. Determine thevelocity and acceleration of the object held at the grip C.125 mmTIs-15°300 mm", a'30-X-A w, a

Given Angular velocity of the robotic arm = 5 rad/s Angular acceleration of the robotic arm = 2…

Answered: 16-142. At the instant shown, the…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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At the instant shown, the AB bar has an angular velocity of 4 rad/s and an angular acceleration of 2 rad/s2. Determine the angular velocity and angular acceleration of the CD bar at this instant. The C-ring is pin-to-CD connected and glides freely along AB. WAB = 4 rad/s CAB = 2 rad/s? A 60° -0.5 m- 0.75 m D B
The disk rotates about a fixed axis through point O with a clockwise angular velocity wo = 22 rad/s and a counterclockwise angular acceleration ao = 5.4 rad/s? at the instant under consideration. The value of r is 285 mm. Pin A is fixed to the disk but slides freely within the slotted member BC. Determine the velocity and acceleration of A relative to slotted member BC and the angular velocity and angular acceleration of BC. The relative velocity and acceleration are positive if they point from B to C and negative if they point from C to B. The angluar velocity and angular accelerations are positive if counterclockwise, negative if clockwise. 53 B. 3.2 r Answers: Im/s Vrel = arel = Im/s? WBC = rad/s aBc = rad/s2
At the instant ω_A = 5 rad/s, pulley A is given a constant angular acceleration α_A = 6 rad/s^2. Determine the normal acceleration of point D on pulley C when A rotates 2 revolutions. Pulley C has an inner hub which is fixed to its outer one and turns with it.
Point A of the circular disk is at the angular position 0 = 0 at time t = 0. The disk has angular velocity wo = 0.26 rad/s at t = 0 and subsequently experiences an angular acceleration a = 3.0t where t is in seconds, and a is in radians per second squared. Determine the velocity and acceleration of point A in terms of fixed i and j unit vectors at time t = 1.1 s. Assume r = 185 mm. Answers: VA = 으아 aд = (i (i L. -X i + i i + i
The device shown rotates about the fixed z-axis with angular velocity w = 22 rad/s and angular acceleration a = 30 rad/s² in the directions indicated. Determine the instantaneous velocity and acceleration of point B. 69° 4- OA = Answers: VB = (i a = 320 mm, a8 = ( O B 16.32 A @ B -69° AB = 625 mm i+ ! i+ -263.34 0 j+ 0 j+ 0 k) m/s² k) m/s
= 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
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For a short time, gear A of the automobile starter rotates with an angular acceleration of A=4502-60 rad/s², where t is in seconds. Determine the angular velocity of gear 8 when t= 4s, starting from rest. The radii of gears A and B are r = 10 mm and rg = 25 mm, respectively. Select one: A w = 432 rad/s B. WB 1548 rad/s C. wp-3744 rad/s Dwp-528 rad/s B Finish attempt...
A wheel C attached to arm AB rotates about a pin at B with an angular wheel c velocity of 2rad/s and an acceleration of Irad/s in the CW direction. B Arm AB pinned at A rotates with an o of 6rad/s and an a of 2 rad/s2 in CCW direction. Determine the absolute velocity and acceleration of a AB=0.75m BP=0.25m point P on the wheel 'C', if (a) ABP is a straight line and (b) if ZABP = 135° at the instant.
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The disk with radius r = 0.09 m is rotating at a constant angular velocity of ω = 0.9 rad/s (counterclockwise) about the fixed pin support at O. For the instant shown, find the relative acceleration component (aB/A)n, where (aB/A)n = {(ax)i+(ay)j} m/s2. Choose the correct answer: a) ax=-0.292; ay=-0.0729 b) ax=0.786; ay=0.196 c) ax=0.292; ay=0.0729 d) ax=0.0182; ay=0.00349 e) ax=-0.786; ay=-0.196

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