The Angular Momentum of a Body About a Particular Axis

question 12

Multiple Choice

The angular momentum of a body about a particular axis as a function of time is shown in the graph. The external torque acting on the body along this axis at t = 2 s is

• A) 0
• B) 5 N · m
• C) 10 N · m
• D) 20 N · m
• E) 40 N · m

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Definitions:

Modus Ponens

A valid form of argument in which if a conditional statement (“if p then q”) and its antecedent (“p”) are true, then the consequent (“q”) is also true.

Modus Tollens

A form of deductive argument that takes the form "If P, then Q. Not Q. Therefore, not P," which is used to derive a conclusion from a hypothesis by negation.

Hypothetical Syllogism

A logical argument consisting of two conditional statements and a conclusion that is logically inferred.

Modus Ponens

A form of deductive reasoning that asserts if a conditional statement "If P, then Q" is accepted as true and P is true, then Q must also be true.