Physics Test #2 – Force & Laws of Motion

1. Which law explains: “A body continues in its state unless acted by an unbalanced force”?
a) Newton’s 1st Law b) Newton’s 2nd Law c) Newton’s 3rd Law d) Law of gravitation

2. SI unit of force is:
a) Dyne b) Kilogram c) Newton d) Watt

3. F = ma represents:
a) Newton’s 1st Law b) Newton’s 2nd Law c) Newton’s 3rd Law d) Hooke’s Law

4. Action = – Reaction is explained by:
a) Newton’s 1st Law b) Newton’s 2nd Law c) Newton’s 3rd Law d) Pascal’s Law

5. When a horse pulls a cart, the cart moves because:
a) Horse applies force b) Ground pushes back on horse c) Cart has wheels d) No friction acts

6. Inertia means:
a) Resistance to change of motion b) Gravitational force c) Product of mass and velocity d) Ability to accelerate

7. A bullet of mass 0.01 kg is fired with velocity 500 m/s. Momentum is:
a) 50 kg·m/s b) 5 kg·m/s c) 0.5 kg·m/s d) 5000 kg·m/s

8. Which has more inertia?
a) A cricket ball b) A balloon c) A paper d) A feather

9. Force = change in momentum / time is:
a) Definition of force b) Definition of energy c) Newton’s 1st law d) Law of gravitation

10. Rocket works based on:
a) Gravity b) Newton’s 3rd Law c) Momentum loss d) Rotational motion

📊 Your Score

💡 Type N to unlock Physics Test #3: Work, Power & Energy! Or type FINAL for report/export.