An Extended Object Comprises Two Point Masses M₁ and M₂

question 48

Multiple Choice

An extended object comprises two point masses m₁ and m₂ connected via a rigid massless rod of length L.The object is rotating at a constant angular velocity about an axis perpendicular to the page through the midpoint along the rod.Two time varying tangential forces F₁ and F₂ are applied to m₁ and m₂ respectively as shown in the figure.After the shown forces have been applied,the angular velocity of the object

• A)increases.
• B)decreases.
• C)remains unchanged.
• D)There is not enough information to make a determination.

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Definitions:

Placebo Effect

A phenomenon where a person experiences a beneficial effect from a treatment due to their expectations, rather than from the treatment itself.

Positive Expectations

The anticipation or belief that one will experience positive outcomes in the future.

Placebo Effects

Positive changes in a patient's condition following a treatment that has no therapeutic effect, due to the patient's belief in the treatment.

Double-blind Procedure

An experimental method where neither the participants nor the experimenters know who is receiving a particular treatment.