For an Object Rotating About a Fixed Axis, Where $\alpha$ Is Its Angular Acceleration

question 97

Multiple Choice

for an object rotating about a fixed axis, where is the net torque acting on it, I is its rotational inertia, and $\alpha$ is its angular acceleration.This expression:

• A)is the definition of torque
• B)is the definition of rotational inertia
• C)is the definition of angular acceleration
• D)follows directly from Newton's second law
• E)depends on a principle of physics that is unrelated to Newton's second law

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Definitions:

Lymphocytes

White blood cells that circulate through the lymph system and bloodstream, helping the body identify and destroy antigens and cancer cells.

Antigens

Substances that the immune system recognizes as foreign or dangerous, leading to an immune response.

Bacterium

Single-celled microorganisms that are often beneficial but can also cause infections.

Virus

A microscopic infectious agent that replicates only inside the living cells of an organism.