A Mass M₁ Is Connected by a Light String That

question 70

Multiple Choice

A mass m₁ is connected by a light string that passes over a pulley of mass M to a mass m₂ as shown in the figure. Both masses move vertically and there is no slippage between the string and the pulley. The pulley has a radius of 20.0 cm and a moment of inertia of ½ MR². If m₁ is 3.00 kg, m₂ is 6.00 kg and M is 4.00 kg, then what is the tension in the string that is attached to mass m₂?

• A) 33.6 N
• B) 42.8 N
• C) 53.6 N
• D) 63.4 N
• E) 75.5 N

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Definitions:

Cognitive Developmental Task

Activities or challenges that promote cognitive growth and development, tailored to an individual's age and stage of cognitive maturation.

Young Adulthood

A life stage occurring approximately from the late teens to the early thirties, characterized by exploration, independence, and the formation of intimate relationships.

Responsibility

The state or fact of being accountable or to blame for something, carrying a duty or obligation to act.

Postformal Thought

A stage in cognitive development suggesting that adults can think in ways that are more complex and flexible than what was previously described in Piaget's final stage.