Two Objects of Mass M1 = 2m and M² =

question 15

Multiple Choice

Two objects of mass m1 = 2m and m² = m move around a rotation axis A in parallel circles of radii r1 = r and r2 = 2r with equal tangential speeds. As they rotate, forces of equal magnitude are applied opposite to their velocities to stop them. Which statement is correct?

• A)m² will stop first because it has the larger initial angular velocity.
• B)m1 will stop first because it has the smaller radius.
• C)m² will stop first because the torque on it is greater.
• D)m1 will stop first because it has the smaller moment of inertia.
• E)Both objects will stop at the same time because the angular accelerations are equal.

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Definitions:

Existential Import

A concept in logic and philosophy referring to the assumption within a categorical proposition that something exists.

Enthymeme

A rhetorical argument that omits a premise or conclusion, assuming it to be obvious to the audience.

Missing Premise

An implicit assumption or statement that is not explicitly stated but necessary for an argument to hold.

Enthymeme

An argument in which one premise is not explicitly stated, often used in persuasive speech and writing.