R13-8. The spool, which has a mass of 4 kg, slides along the rotating rod. At the instant shown, the angular rate of rotation of the rod is =6 rad/s and this rotation is increasing at = 2 rad/s². At this same instant, the spool has a velocity of 3 m/s and an acceleration of 1 m/s², both measured relative to the rod and directed away from the center O when r = 0.5 m. Determine the radial frictional force and the normal force, both exerted by the rod on the spool at this instant.

R13-8. The spool, which has a mass of 4 kg, slides along the rotating rod. At the instant shown, the angular rate of rotation of the rod is =6 rad/s and this rotation is increasing at = 2 rad/s². At this same instant, the spool has a velocity of 3 m/s and an acceleration of 1 m/s², both measured relative to the rod and directed away from the center O when r = 0.5 m. Determine the radial frictional force and the normal force, both exerted by the rod on the spool at this instant.

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

See similar textbooks

Similar questions

15-23. The motor exerts a force F on the 40-kg crate a shown in the graph. Determine the speed of the crate when t= 3 s and when t = 6 s. When t = 0, the rate is moving downward at 10 m/s
15-102. The two spheres each have a mass of 3 kg and are attached to the rod of negligible mass. Determine the time the torque M = (8t) N·m where, is in seconds, must be applied to the rod so that each sphere attains a speed of 3 m/s starting from rest
The hydraulic actuator of crane is extending (increasing in length) at a rate of 1 m/s. At the instant shown, what is its all angular velocity? Also, what is the maximum load that scooper can scoops given its volume 0.8m^3.
The 5-kg collar has a velocity of 7 m/s to the right when it is at A. It then travels along the smooth guide. Determine its speed when its center reaches point B. The spring has an unstretched length of 150 mm and B is located just before the end of the curved portion of the rod
If the rod of negligible mass is subjected to a couple moment of M = (30t^2) N⋅⋅m, and the engine of the car supplies a traction force of F = (15t) N to the wheels, where t is in seconds, determine the speed of the car at the instant t = 12.5 s. The car starts from rest. The total weight of the car and rider is 1.5 kN. Neglect the size of the car.
The bucket is hoisted by the rope that wraps around a drum wheel. Ifthe angular displacement of the wheel is θ= (0.5t3 + 15t) rad, where tis in seconds, determine the velocity and acceleration of the bucketwhen t = 3s.
A projectile is fired with a speed of 1,000 ft/s at a height of 500 ft. Determine theelevation angle so that the maximum height is 2,500ft.
If the roller coaster starts from rest at A and its speed increases at at = (6 − 0.06s) m/s2,determine the magnitude of its acceleration when it reaches B where sB = 40 m. TOPIC: Curvilinear Motion. Normal and Tangential Components
The mass m is attached to two equal springs which have bothunstretched length of l. The mass is released from rest at point A.When the mass reaches to point B,a. Determine the velocity of the mass at point B, in terms ofthe parameters m, k, l, h.
15-42. A toboggan having a mass of 10 kg starts from rest at A and carries a girl and boy having a mass of 40 kg and 45 kg, respectively. When the toboggan reaches the bottom of the slope at B, the boy is pushed off from the back with a horizontal velocity of Vb/t = 2 m/s, measured relative to the toboggan. Determine the velocity of the toboggan afterwards. Neglect friction in the calculation
A package is dropped from the plane which is flying with a constant horizontal velocity of VA = 150 ft/s. Determine the normal and tangential components of acceleration and the radius of curvature of the path of motion (a) at the moment the package is released at A, where it has a horizontal velocity of VA = 150 ft/s, and (b) just before it strikes the ground at B.
When θ = 15°, the car has a speed of 50 m/s which is increasing at 6 m/s^2. Determine the angular velocity of the camera tracking the car at this instant.