A uniform disk of radius 0.455 m0.455 m and unknown mass is constrained to rotate about a perpendicular axis through its center. A ring with the same mass as the disk is attached around the disk's rim. A tangential force of 0.237 N0.237 N applied at the rim causes an angular acceleration of 0.129 rad/s2.0.129 rad/s2. Find the mass of the disk.Why is this wrong?
Please comment for any doubts.
A uniform disk of radius 0.455 m0.455 m and unknown mass is constrained to rotate about...
A uniform disk of radius 0.461 m and unknown mass is constrained to rotate about a perpendicular axis through its center. A ring with the same mass as the disk is attached around the disk's rim. A tangential force of 0.243 N applied at the rim causes an angular acceleration of 0.123 rad/s2. Find the mass of the disk. mass of disk:
A uniform disk of radius 0.551 m and unknown mass is constrained to rotate about a perpendicular axis through its center. A ring with same mass as the disk\'s is attached around the disk\'s rim. A tangential force of 0.229 N applied at the rim causes an angular acceleration of 0.103 rad/s2. Find the mass of the disk.
b. Refer to the drawing here. A solid, uniform disk has a mass of M and outer radius R. A heavy metal bolt of mass m is attached to the disk at a point that is located a distance r from the disk's center The bolt and the disk center lie along one diameter across the disk. Consider a second diameter that is perpendicular to the one containing the bolt; and let point P be located at one end of...
A uniform solid disk of mass m = 3.06 kg and radius r = 0.200 m rotates about a fixed axis perpendicular to its face with angular frequency 6.09 rad/s. (a) Calculate the magnitude of the angular momentum of the disk when the axis of rotation passes through its center of mass. kg · m2/s (b) What is the magnitude of the angular momentum when the axis of rotation passes through a point midway between the center and the rim?...
A uniform solid disk of mass m = 3.08 kg and radius r = 0.200 m rotates about a fixed axis perpendicular to its face with angular frequency 6.09 rad/s. (a) Calculate the magnitude of the angular momentum of the disk when the axis of rotation passes through its center of mass. kg · m2/s (b) What is the magnitude of the angular momentum when the axis of rotation passes through a point midway between the center and the rim?...
4. b. Refer to the drawing here. A solid, uniform disk has a mass of M and outer radius R A heavy metal bolt of mass m is attached to the disk at a point that is located a distance r from the disk's center. (overhead view) R: The bolt and the disk center lie along one diameter across the disk. Consider a second diameter that is perpendicular to the one containing the bolt; and let point P be located...
6) A uniform 1kg disk with a radius of 1 m has a disk drilled out creating a thick walled ring. A torque of 2Nmis applied causing the thick walled ring to rotate about its center . If the angular is acceleration of 6.4 rads/s^2, what is the radius of the hole placed in the center . Assume a uniform mass per area.
6) A uniform 1kg disk with a radius of 1 m has a disk drilled out creating a thick walled ring. A torque of 2Nmis applied causing the thick walled ring to rotate about its center .If the angular is acceleration of 6.4 rads/s^2, what is the radius of the hole placed in the center . Assume a uniform mass per area.
1. A uniform disk with a 16 kg mass and a 20 cm radius rotates about a perpendicular axis through the center. Three forces act on it as shown. The 60 N and 50 N forces act at the rim with the 60 N tangent to it, and the 70 N acts at a distance of 10 cm from the axis as shown. (a) What is the net torque on the disk? (b) What is the angular acceleration of the...
A solid disk with a mass of 40 kg and a radius of 0.6 m can rotate around an axis through its center, perpendicular to the disk surface. At time t = 0 s, the disk is not turning. It has a constant angular acceleration ↵ and by t = 20 s it has completed 500 complete turns. Calculate the angular acceleration ↵. Calculate the angular velocity ! at t = 20 s. Calculate the rotational kinetic energy at t...