ASVAB General Science: Physics and Chemistry Concepts

Question 1

What is Newton's First Law of Motion?

Accepted Answer

An object at rest stays at rest unless acted upon by an external force

Answer

Newton's First Law is the law of inertia: objects resist changes in their state of motion.

Question 2

What is the formula for calculating force?

Accepted Answer

F = ma

Answer

Newton's Second Law: F = ma (Force equals mass times acceleration).

Question 3

What is the atomic number of an element?

Accepted Answer

Number of protons in the nucleus

Answer

The atomic number equals the number of protons, which defines the element.

Question 4

Which of the following is a chemical change?

Accepted Answer

Paper burning

Answer

Burning produces new substances (ash, CO₂); it is a chemical change.

Question 5

What is the speed of light in a vacuum?

Accepted Answer

3 × 10⁸ m/s

Answer

The speed of light in a vacuum is approximately 3 × 10⁸ meters per second.

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