You Exercise with a 5

question 24

Multiple Choice

You exercise with a 5.0 kg dumbbell. You need to accelerate it downward with an acceleration of 3.0 m/s². What are the magnitude and the direction of the force you need to push with?

• A)15 N upward
• B)15 N downward
• C)24 N upward
• D)49 N downward

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Definitions:

Erb's

Refers to Erb's palsy, a condition caused by nerve damage around a baby's neck, which can lead to weakness or loss of movement in the arm.

Torticollis

A condition also known as "wry neck," where the head becomes twisted to one side due to muscular or skeletal issues.

Atrophy

Wasting away of a muscle.

Contract

A legally binding agreement between two or more parties that defines and governs the rights and duties of those parties.