Rotational Dynamics About a Fixed Axis: a Solid Uniform Sphere

question 75

Multiple Choice

Rotational dynamics about a fixed axis: A solid uniform sphere of mass 1.85 kg and diameter 45.0 cm spins about an axle through its center. Starting with an angular velocity of 2.40 rev/s, it stops after turning through 18.2 rev with uniform acceleration. The net torque acting on this sphere as it is slowing down is closest to

• A) 0.00593 N ∙ m.
• B) 0.0372 N ∙ m.
• C) 0.0466 N ∙ m.
• D) 0.0620 N ∙ m.
• E) 0.149 N ∙ m.

---

Definitions:

Union Democracy

A concept that pertains to the governance of labor unions in a democratic manner, ensuring the participation and representation of all members.

Ethical Theory

An area of philosophy that involves systematizing, defending, and recommending concepts of right and wrong behavior.

Human Dignity

The intrinsic value and worth of all individuals, emphasizing respect for their autonomy, rights, and well-being.

Voter Turnout

The percentage of eligible voters who participate in elections, an important measure of democratic engagement and political participation.