As shown below, a uniform disc is mounted to a fixed axle and is free

1.	As shown below, a uniform disc is mounted to a fixed axle and is free to rotate without friction. A thin uniform rod is rigidly attached to the disc so that it will rotate with the disc. A block is attached to the rod. Disc : mass = 3m, radius = R, moment of inertia about center ID=32mR2 Rod : mass = m, length = 2R, moment of inertia about one end IR=43mR2 Block : mass 2m The system is held in equilibrium with the rod at an angle θ0 to the vertical, as shown above, by a horizontal string of negligible mass one end attached to the disc and the other to a wall. The tension in the string is
Answer» As shown below, a uniform disc is mounted to a fixed axle and is free to rotate without friction. A thin uniform rod is rigidly attached to the disc so that it will rotate with the disc. A block is attached to the rod. Disc : mass = 3m, radius = R, moment of inertia about center $I_{D} = \frac{3}{2} m R^{2}$ Rod : mass = m, length = 2R, moment of inertia about one end $I_{R} = \frac{4}{3} m R^{2}$ Block : mass 2m The system is held in equilibrium with the rod at an angle $θ_{0}$ to the vertical, as shown above, by a horizontal string of negligible mass one end attached to the disc and the other to a wall. The tension in the string is

As shown below, a uniform disc is mounted to a fixed axle and is free to rotate without friction. A thin uniform rod is rigidly attached to the disc so that it will rotate with the disc. A block is attached to the rod. Disc : mass = 3m, radius = R, moment of inertia about center ID=32mR2 Rod : mass = m, length = 2R, moment of inertia about one end IR=43mR2 Block : mass 2m The system is held in equilibrium with the rod at an angle θ0 to the vertical, as shown above, by a horizontal string of negligible mass one end attached to the disc and the other to a wall. The tension in the string is

Answer»

As shown below, a uniform disc is mounted to a fixed axle and is free to rotate without friction. A thin uniform rod is rigidly attached to the disc so that it will rotate with the disc. A block is attached to the rod.

Disc : mass = 3m, radius = R, moment of inertia about center $I_{D} = \frac{3}{2} m R^{2}$

Rod : mass = m, length = 2R, moment of inertia about one end $I_{R} = \frac{4}{3} m R^{2}$

Block : mass 2m

The system is held in equilibrium with the rod at an angle $θ_{0}$ to the vertical, as shown above, by a horizontal string of negligible mass one end attached to the disc and the other to a wall.

The tension in the string is

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