EASA Module M2: Physics Practice Questions

 1. What is the SI unit of force?

a) Newton (N) ✅
b) Joule (J)
c) Watt (W)

2. What is the acceleration due to gravity on Earth?
a) $8.9 \, \text{m/s}^2$
b) $9.8 \, \text{m/s}^2$ ✅
c) $10.2 \, \text{m/s}^2$

3. Which of the following is an example of scalar quantity?
a) Velocity
b) Force
c) Temperature ✅

4. What is the formula for kinetic energy?
a) $KE = \frac{1}{2} mv^2$ ✅
b) $KE = mv^2$
c) $KE = \frac{1}{2} mgh$

5. The unit of power in the SI system is:
a) Joule
b) Watt ✅
c) Newton

6. If an object is in free fall, what force acts on it?
a) Friction
b) Gravity ✅
c) Normal force

7. Which law states that "For every action, there is an equal and opposite reaction"?
a) Newton's First Law
b) Newton's Second Law
c) Newton's Third Law ✅

8. What does $F = ma$ represent?
a) Newton's First Law
b) Newton's Second Law ✅
c) Newton's Third Law

9. If a force of 10 N is applied to a mass of 5 kg, what is the acceleration?
a) $0.5 \, \text{m/s}^2$
b) $2 \, \text{m/s}^2$ ✅
c) $5 \, \text{m/s}^2$

10. What is the principle of conservation of energy?
a) Energy can be created and destroyed.
b) Energy cannot be created or destroyed, only transformed. ✅
c) Energy is always constant in motion.