I. Jet propelled aircraft
II. Rocket propulsion
III. The recoil of a gun
IV. A person walking
Which of the above is based on Newton's third law of motion
A
I and II only
B
I, II, III, and IV only
C
I and III only
D
I, II and III only
Verified Correct Answer: B.
Physical Principles & Numerical Solution
I. Jet aircraft — Expel gases backward → push aircraft forward (thrust).
II. Rocket — Expel gases backward → move forward (even in space).
III. Gun recoil — Bullet forward → gun moves backward.
IV. Walking — Foot pushes ground backward → ground pushes you forward.
Source: WAEC / JAMB / NECO Classroom Archive (Record #12892)