Newton Concluded That Some Force Must Act on the Moon

question 15

Multiple Choice

Newton concluded that some force must act on the Moon because ____.

• A) a force is needed to pull the Moon away from straight-line motion
• B) a force is needed to pull the Moon outward
• C) a force is needed to keep the Moon in motion
• D) the Moon has at a constant velocity
• E) the Moon has a constant acceleration

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Definitions:

Pectoralis Major

A large muscle in the upper chest that performs functions related to the movement of the shoulder joint, including flexion, adduction, and medial rotation.

External Abdominal Oblique

A muscle located on the lateral and front sides of the abdomen, involved in rotating and bending the trunk.

Corrugator Supercilii

A small, narrow muscle close to the eyebrow, responsible for drawing the eyebrow downward and medially, creating frown lines on the forehead.

Levator Palpebrae Superioris

A muscle in the orbit of the eye that elevates the upper eyelid, allowing the eye to open.