1. Question: A ball is thrown straight up. At its highest point, what is its velocity?

(a) Zero (b) Maximum (c) Minimum (d) Constant

Answer: (a) Zero

2. Question: A car travels 100 km in 2 hours. What is its average speed?

(a) 200 km/h (b) 50 km/h (c) 100 km/h (d) 25 km/h

Answer: (b) 50 km/h

3. Question: Which of Newton's laws describes inertia?

(a) First Law (b) Second Law (c) Third Law (d) Law of Gravitation

Answer: (a) First Law

4. Question: A force of 10 N acts on a 2 kg mass. What is the acceleration of the mass?

(a) 20 m/s² (b) 5 m/s² (c) 10 m/s² (d) 2 m/s²

Answer: (b) 5 m/s²

5. Question: What is the unit of work?

(a) Joule (b) Newton (c) Watt (d) Pascal

Answer: (a) Joule

6. Question: A simple machine that reduces the force needed to lift a heavy object is a(n):

(a) Lever (b) Pulley (c) Inclined plane (d) All of the above

Answer: (d) All of the above

7. Question: Kinetic energy is the energy of:

(a) Motion (b) Position (c) Heat (d) Sound

Answer: (a) Motion

8. Question: If an object is in equilibrium, the net force acting on it is:

(a) Zero (b) Constant (c) Maximum (d) Minimum

Answer: (a) Zero

9. Question: A ball rolls down a hill. Which type of energy is increasing?

(a) Potential energy (b) Kinetic energy (c) Chemical energy (d) Thermal energy

Answer: (b) Kinetic energy

10. Question: What is the momentum of a 5 kg object moving at 2 m/s?

(a) 10 kg m/s (b) 2.5 kg m/s (c) 7 kg m/s (d) 0 kg m/s

Answer: (a) 10 kg m/s