Test

 

1. Newton’s First Law of Motion is also known as the law of?

A) Force
B) Inertia
C) Acceleration
D) Motion

2. Which physical quantity is described by Newton’s Second Law of Motion?

A) Force
B) Mass
C) Momentum
D) Work

3. The tendency of an object to resist any change in its state of motion is called?

A) Mass
B) Force
C) Inertia
D) Acceleration

4. Which of the following quantities remains constant if no external force is applied to a moving object?

A) Velocity
B) Momentum
C) Acceleration
D) Energy

5. Which of the following is an example of Newton's Third Law of Motion?

A) A car accelerating on a road
B) A book falling off a table
C) A rocket propelling forward as exhaust gases are expelled
D) A ball rolling on the ground

6. What is the SI unit of force?

A) Joule
B) Newton
C) Pascal
D) Watt

7. What is the net force on an object with mass 5 kg, moving with an acceleration of 2 m/s²?

A) 2.5 N
B) 10 N
C) 5 N
D) 0 N

8. What type of force is responsible for slowing down an object in motion due to contact with a surface?

A) Friction
B) Gravity
C) Tension
D) Normal Force

9. Which of the following conditions must be satisfied for an object to be in equilibrium?

A) The net force acting on it must be zero
B) The object must be stationary
C) There must be no force acting on the object
D) The object must be moving at constant velocity

10. A 50 kg object experiences a force of 100 N. What is the acceleration of the object?

A) 0.5 m/s²
B) 2 m/s²
C) 4 m/s²
D) 10 m/s²