GRE Subject 2026 Practice Test Physics Classical Mechanics Free Quiz 2

11. What is torque?

A. Force B. Torque C. Work D. Power

12. What is the moment of inertia?

A. I = mr² B. τ = rF C. L = Iω D. F = ma

13. What type of motion has a restoring force proportional to displacement?

A. Uniform circular motion B. Projectile motion C. SHM D. Random motion

14. What is the range of a projectile?

A. (v² sin 2θ)/g B. (v² sin θ)/g C. (v² cos θ)/g D. (v² tan θ)/g

15. What is the maximum height of a projectile?

A. (v² sin θ)/g B. (v² cos θ)/g C. (v² sin² θ)/(2g) D. (v² tan θ)/g

16. What is the time of flight of a projectile?

A. (v sin θ)/g B. (v cos θ)/g C. (2v cos θ)/g D. (2v sin θ)/g

17. What force opposes relative motion between two surfaces?

A. Gravity B. Friction C. Normal force D. Tension

18. What is elastic potential energy?

A. ½mv² B. mgh C. ½kx² D. ½Iω²

19. What is gravitational potential energy?

A. ½mv² B. ½kx² C. ½Iω² D. mgh

20. What does the work-energy theorem state?

A. W = ΔKE B. W = Fd C. P = W/t D. ΔKE = 0