Problem 16.146-General plane motion: System of rigid bodies: Disk and rod on incline NOTE: This is a multi-part question. The uniform slender 2-kg bar BD is attached to the uniform 6-kg uniform disk by a pin at B and released from rest in the position shown. Assume that the disk rolls without slipping. 250 mm A 45° B 750 mm Problem 16.146.a - General plane motion: System of rigid bodies: Disk and rod on incline Determine the initial reaction at the contact point A. The initial reaction at the contact point A is D NA

Problem 16.146-General plane motion: System of rigid bodies: Disk and rod on incline NOTE: This is a multi-part question. The uniform slender 2-kg bar BD is attached to the uniform 6-kg uniform disk by a pin at B and released from rest in the position shown. Assume that the disk rolls without slipping. 250 mm A 45° B 750 mm Problem 16.146.a - General plane motion: System of rigid bodies: Disk and rod on incline Determine the initial reaction at the contact point A. The initial reaction at the contact point A is D NA

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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Determine the corresponding smallest allowable value of the coefficient of static friction.
The corresponding smallest allowable value of the coefficient of static friction is

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Can you explain the radius of gyration ? why is it 480mm for the rod & 120mm for the disk. How do we figure this out ? thank you
Solve it correctly. I ll rate
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A load of mass 230 kg is lifted by means of a rope which is wound several times round a drum and which then supports a balance mass of 140 kg. As the load rises, the balance mass falls. The drum has a diameter of 1.2 m and a radius of gyration of 530 mm and its mass is 70 kg. The frictional resistance to the movement of the load is 110 N. and that to the movement of the balance mass 90 N. The frictional torque on the drum shaft is 80 N-m. 2. Find the torque required on the drum, and also the power required, at the instant when the load has an upward velocity of 2.5 m/s and an upward acceleration of 1.2 m/s?. [Ans. 916.2 N-m ; 4.32 kW]
Part A The 21-kg roll of paper has a radius of gyration kA = 90 mm about an axis passing through point A. It is pin supported at both ends by two brackets AB. The roll rests against a wall for which the coefficient of kinetic friction is u = 0.2. Neglect the mass of paper that is removed. (Figure 1) Determine the magnitude of the constant vertical force F that must be applied to the roll to pull off 1 m of paper in t = 3 s starting from rest. Express your answer to three significant figures and include the appropriate units. TH HẢ ? F = Value Units Submit Request Answer Provide Feedback Figure < 1 of 1 300 mm 125 mm
An automobile wheel test rig consists of a uniform disk A, of mass mÃ = 5000 kg and radius rÃ = 1.5 m, that can rotate freely about its fixed center C and over which the wheel of an automobile is made to roll. A wheel B, whose center and center of mass coincide at D, is mounted on a shaft (not shown) that holds D fixed while it allows the wheel to rotate about D. The wheel has diameter d = 0.62 m, mass mß = 21.5 kg, and mass moment of inertia about its mass center /D = 44 kg-m². Both A and B are initially at rest when B is subject to a constant torque M that causes B to roll without slip on A. M B d A If M = 1200 N·m, use the angular impulse-momentum principle to determine how long it takes to reach conditions simulating a car speed of 100 km/h. The automobile wheel test rig takes s to reach conditions simulating a car speed of 100 km/h.
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