A String Is Wrapped Around a Pulley of Radius 0

question 37

Multiple Choice

A string is wrapped around a pulley of radius 0.05 m and moment of inertia 0.2 kg .m².If the string is pulled with a force , the resulting angular acceleration of the pulley is 2 rad/s².Determine the magnitude of the force .

• A)0.4 N
• B)2 N
• C)8 N
• D)16 N
• E)40 N

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Definitions:

Muscle End Plate

The region of a muscle fiber membrane that is directly beneath the terminal portion of a motor neuron, critical for neuromuscular transmission.

Neurotransmitter

Neurotransmitters are chemical messengers that transmit signals across a synapse from one neuron to another, influencing various bodily and mental functions.

Acetylcholine

A neurotransmitter in both the central and peripheral nervous systems that plays an important role in muscle activation and cognitive functions like attention and memory.

Voltmeter

An instrument used for measuring the electrical potential difference between two points in an electric circuit.