21-29. The 4-lb rod AB is attached to the 1-lb collar at Aand a 2-lb link BC using ball-and-socket joints. If the rod isreleased from rest in the position shown, determine theangular velocity of the link after it has rotated 180°.1.3 m0.5 m12 m

As there is no friction or any type of resistance , then we can apply The Law of Conservation of…

Answered: 21-29. The 4-lb rod AB is attached to…

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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The uniform rods AB and BC weigh 2.4 kg and 4 kg, respectively, and the small wheel at C is of negligible weight. If the wheel is moved slightly to the right and then released, determine the velocity of pin B after AB has rotated through 90°.
The small end rollers of the 6.2-lb uniform slender bar are constrained to move in the slots, which lie in a vertical plane. At the instant when e = 30°, the angular velocity of the bar is 2.6 rad/sec counterclockwise. Determine the angular acceleration of the bar, the reactions at A and B, and the accelerations of points A and B under the action of the 5.1-lb force P. Neglect the friction and mass of the small rollers. The angular acceleration is positive if counterclockwise, negative if clockwise. The acceleration of A is positive if downward, negative if upward. The acceleration of B is positive if down the slot, negative if up the slot. The reaction at A Is positive If to the right, negative If to the left. The reaction at 8 Is positive If up and to the right, negative If down and to the left. L= 5.2 ft 107 P= 5.1 lb Answers: Jad/sec? F = Fg =
The 153-kg wheel has a radius of gyration about its center of mass O of kO = 283 mm. If it rotates counterclockwise at an angular speed of 1431 rev/min and the tension force applied to the braking band at A is TA = 1771N,a) Determine the angular acceleration, in rad/s2, so that the wheel comes to rest in 67.6 revolutions after TA and TB are applied.
5. The 0.3-kg pin P is constrained to move in the smooth curved slot, which is defined by the locus r =(0.6 cos20) m. Its motion is controlled by the rotation of the slotted arm OA, which has a constant clockwise angular velocity of é = -2 rad/s. Determine the following when e = 0°. Motion is in the vertical plane. r= (0,6 cos 20) m or = m m/s m's? o a, = m/s2 o ag = m/s² o Normal force from the smooth curved slot to the pin = IN o Normal force from the slotted arm to the pin =
Determine a torque M in N.m, which is applied to the vertical shaft CD shown in the figure.The torque allows the 6 kg gear A to turn freely about CE. Assuming that gear A starts from rest. The angular velocity of CD is 18 rad/s after the gear A has turned three revolutions about the shaft CD. Neglect the mass of shaft CD and axle CE and assume that gear A can be approximated by a thin disk. Gear B is fixed.Determine the magnitude of the angular momentum of the gear A in kg m2/s.Mass moment of inertia of the gear A about Z axis in kg m2.Determine the kinetic energy of the gear A in joule (J).dermine a torque M in N.m, which is applied to the vertical shaft CD.Mass moment of inertia of the gear A about Y axis in kg m2.Mass moment of inertia of the gear A about X axis in kg m2.Determine the magnitude of the angular velocity of the gear A in rad/s.
At the instant shown, the 200-lb bar rotates clockwise at 4 rad/s. The spring attached to its endalways remains vertical due to the roller guide at C. If the spring has an unstretched length of 2ft and a stiffness of k = 9 lb/ft, determine the angular velocity of the bar the instant it has rotated 39° clockwise.
The slender 8-kg bar AB is horizontal and at rest. The spring has an unstretched length sọ of 1 m and a spring constant of 15 N/m. the length of the bar AB is l1.Sm Find the angular velocity when e - 45° when the bar has rotate clockwise - 45° after being released. Give your answer with 2 decimals and include the sign
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21-29. The 4-lb rod AB is attached to the 1-lb collar at A and a 2-lb link BC using ball-and-socket joints. If the rod is released from rest in the position shown, determine the angular velocity of the link after it has rotated 180°. 1.3 m 0.5 m 12 m

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