Newton's First Law — definition?
An object remains at rest or in uniform motion unless acted upon.
Mass vs Density — difference?
Mass measures matter; density measures matter per volume.
Work — formula?
Work = Force × Distance × cos(θ).
Inertia — property?
Resists changes in motion.
Force — definition?
Interaction causing change in motion.
Newton's First Law — statement?
Object at rest or in uniform motion.
Newton's Second Law — formula?
F = ma (force equals mass times acceleration).
Newton's Third Law — principle?
Action and reaction forces are equal and opposite.
Mass — measure of?
Object's inertia or matter amount.
Density — formula?
ρ = m / V (mass/volume).
Answer 9 questions on Fundamentals of Classical and Modern Physics.
1. What does Newton's First Law of Motion describe?
2. What is the formula for density as described in the course content?
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