4
QuizMultiple Choice

Hypotheses, Theories, and Laws

Question 4 • FA Vandergrift Environmental Science 2026-27

“An object at rest will stay at rest and an object in motion will stay in motion at a constant speed and in the same direction, unless acted on by an unbalanced force.”The statement above is Newton’s first

Answer
A
hypothesis of motion because it makes a prediction.
B
theory of motion because it is a widely accepted explanation.
C
law of motion because it is a factual statement based on observations.
D
explanation of motion because it is widely accepted and based on observations.

Explanation

Newton’s first law describes how objects behave: their motion does not change unless an unbalanced force acts on them. A scientific law summarizes a consistent pattern observed in nature; it does not necessarily explain why the pattern occurs. Therefore, the statement is a law of motion because it is a factual statement based on observations.

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