in-a-clock-mechanism-a-096-cm-radius-pendulum-wheel-attached-to-a-coil-spring-vi

Question

In a clock mechanism, a 0.96 cm radius pendulum wheel attached to a coil spring vibrates at 3.20 Hz. If 2.1 × 10⁻⁵ N.m torque causes a 60° rotation, what is the wheel's mass?

Diagram of a pendulum wheel and coil spring illustrating simple harmonic motion.

Accepted Answer

0.54 g

Answer

0.23 g

Answer

0.45 g

Answer

0.72 g