CD is 2mem2.The wheel assembly of an airplane is raisedby the application of a torque M to link BC throughthe shaft at B. If the angle = 30%, determine thetorque Mand the reaction at B. Link AO rotates witha counterclockwise angular velocity of 0.2 rad/sec,which is increasing at the rate of 0.075 rad/sec². Thelink CD is massless and link BC is uniform and has aweight of 24.15 lbs.-16° 1BA20"Note: At this instant,C=@CD 0@BC = 0.320 rad/sec CCWFCD = 75 lbs (T)Hint: Member CD is a 2-force member.32"20"D8"=B = a+ux PB/,+ are tacorl0.2

Answered: Image /qna-images/answer/b384345e-1459-4602-826f-c4dc07b9820c.jpg

Answered: CD is 2 mem 2. The wheel assembly of an…

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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2. The 30-in slender bar weighs 20 Ib, mounted on a vertical shaft at O initially rotates at w = +10 rad/s. If a 12" torque M = +100 lb-in is applied to the bar through its shaft, calculate %3D 18 the reactions at O after the bar rotates for 1 sec.
A torque T = 0.30 N-m is applied to a bevel gear B. Bevel gear D meshes with gear B and drives pump A. Gear B has a radius of gyration of 150 mm and a weight of 50 N, whereas gear D and the im- peller of pump A have a combined radius of gy- ration of 50 mm and a weight of 100 N. Find how many revolutions of gear B are needed to get the pump up to 200 rpm from rest. What is the power output of the pump at this speed if it is 90% efficient.
3. A slender, rigid bar of mass 20 kg and length 4 m is rotating about its pin joint at Point A as shown in the figure below. A 50-N force is applied to the end of the rod in the vertical direction. Determine the reactions at the pin joint as well as the change in angular rotation rate at the instant shown. Use 0 = 30° and 2 rad/s. = P
Dynamics
A ring of mass m =1 kg and radius R = 1m is attached to a vertical shaft by means of a frictionless pin. Coordinates xyz are fixed to the ring as shown and the frictionless pin at A is aligned with the x-axis. The vertical shaft precesses about the Z-axis with constant angular velocity 2 = 1 rad/s. (a) At a particular moment when 0 = 30° and = 4 rad/s, find the value of Ö . This comes from a sum of the moments about the x-axis. Do not neglect gravity. (b) Find the torque or moment necessary that must be applied about the vertical shaft in order to keep it turning at a constant rate of N = 1 rad/s. Ring R XG A 1 Ixx = lyy =mR? G Iz = mR?
4b
2. Consider the 5-1lb bar with length of 2½ feet and width of 2 inches. Small frictionless bearings are mounted to the ends, constraining the motion of the bar to the horizontal x and y slots. The bar starts at rest at positioned at 0= 45°. If an angular acceleration of 3 rad/s² is desired, what moment M must be applied to the bar? What are the reaction forces at A and B at that instant? Additional question: Does the width of the bar matter, or is it appropriate to consider the bar as a slender rod? Consider errors of less than 2% negligible.
The bar AB is uniform and has a mass of 50.0 kg. At the moment shown, the rod has an angular velocity of 4.00 rad/s and spring is stretched by 0.30 m. The force constant of the spring is 25.0 N/m.a) Determine whether or not the bar will reach the horizontal position.b) If the bar becomes horizontal, calculate its angular velocity at that position. If not, calculate the angle the bar makes with the horizontal when it comes to rest momentarily.
6. The uniform ring of mass m = 10 kg and radius r= 0.5 m is hinged at O and can rotate freely in the vertical plane. If the ring is released with a clockwise angular velocity o = 4 rad/s from the position shown where OC is horizontal, determine the magnitude of the reaction at pin O the instant the disk is released. to
The link AC (6 kg) rotates in the vertical plane about the point B. A spring (k = 600 N/m, points C to D) of unstretched length 225 mm is fixed to the link as shown. If the link is released from rest in the position shown below, determine its angular velocity after it has rotated 90°. You may take the moment of inertia of the link AC about its mass center as Igac =÷ml?. 180 900 mm
For the circular thin plate with a square hole as shown in the image below, its radius R = 0.48 m and the side of the square /= 0.21 m, and the material has a mass per unit area of 12 kg/m2. If at the instant shown, it is subjected to a force P = 38 N, and has a counterclockwise angular velocity of W = 2.6 rad/s, determine magnitude of the support reaction at point O at this instant. 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/s?. R P
Please do all the blanks on the pic.

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