A Wheel (Radius = 12 Cm) Is Mounted on a Frictionless

question 25

Multiple Choice

A wheel (radius = 12 cm) is mounted on a frictionless, horizontal axle that is perpendicular to the wheel and passes through the centre of mass of the wheel. A light cord wrapped around the wheel supports a 0.40-kg object. If released from rest with the string taut, the object is observed to fall with a downward acceleration of 3.0 m/s2. What is the moment of inertia (of the wheel) about the given axle?

• A)0.023 kg.m²
• B)0.013 kg.m²
• C)0.020 kg.m²
• D)0.016 kg.m²
• E)0.035 kg.m²

---

Definitions:

Defensive Labeling

A strategy employed by companies to preemptively address potential criticisms about their products or services through cautious or mitigative language.

Nonverbal Communication

All elements of communication that do not involve words or language.

Words

Small units of language that convey meaning and can be spoken or written, forming the basis of communication among humans.

Gestures

Movements of the body, especially hands and arms, that convey a message or meaning without using words.