GRE Subject 2026 Practice Test Physics Classical Mechanics Free Quiz 1

1. What does classical mechanics deal with?

A. Motion of objects under forces B. Electricity and magnetism C. Heat and temperature D. Atomic scale phenomena

2. What is Newton's Second Law?

A. Inertia B. Action-reaction C. Law of gravitation D. F = ma

3. What is Newton's law of universal gravitation?

A. F = Gm₁m₂/r² B. F = kq₁q₂/r² C. F = ma D. E = mc²

4. What is kinetic energy?

A. Potential energy B. Thermal energy C. Kinetic energy D. Chemical energy

5. What is potential energy?

A. Kinetic energy B. Thermal energy C. Chemical energy D. Potential energy

6. What is power?

A. P = W/t B. P = F × v C. P = F × d D. P = m × a

7. What is momentum?

A. Mass × acceleration B. Force × time C. Mass × velocity D. Mass × displacement

8. What is impulse?

A. Force × distance B. Mass × acceleration C. Work D. FΔt

9. What is conserved in a closed system?

A. Energy B. Momentum C. Angular momentum D. Mass

10. What is angular momentum?

A. p = mv B. F = ma C. E = mc² D. L = Iω