Laws of Motion (Newton’s Laws) MCQs

1. Newton’s First Law of Motion is also known as the Law of:
(A) Acceleration
(B) Inertia
(C) Action and Reaction
(D) Gravitation

2. According to Newton’s Second Law of Motion, the force acting on an object is equal to:
(A) The mass of the object multiplied by its velocity
(B) The product of mass and acceleration
(C) The acceleration of the object divided by its mass
(D) The change in momentum of the object over time

3. Newton’s Third Law of Motion states that for every action, there is:
(A) No reaction
(B) A corresponding reaction of equal magnitude and in the same direction
(C) A reaction of equal magnitude but in the opposite direction
(D) A reaction of different magnitude and in the same direction

4. The force required to accelerate a 5 kg object at a rate of 2 m/s² is:
(A) 7 N
(B) 10 N
(C) 3 N
(D) 12 N

5. According to Newton’s First Law, an object at rest will:
(A) Remain at rest unless acted upon by an external force
(B) Begin to move on its own
(C) Continue moving indefinitely
(D) Accelerate on its own

6. Which of the following is an example of Newton’s Third Law of Motion?
(A) A person pushing a car
(B) A rocket propelling itself forward by ejecting gas backward
(C) A car accelerating on a straight road
(D) A ball rolling down a hill

7. If a 10 N force is applied to an object of mass 2 kg, the acceleration of the object is:
(A) 20 m/s²
(B) 5 m/s²
(C) 10 m/s²
(D) 15 m/s²

8. An object with zero net force acting on it will:
(A) Change its state of motion
(B) Keep moving at a constant velocity
(C) Come to rest immediately
(D) Increase its acceleration

9. Which of the following is NOT a consequence of Newton’s Second Law?
(A) F = ma
(B) The net force acting on an object causes it to accelerate
(C) The object’s acceleration is directly proportional to the force and inversely proportional to its mass
(D) An object at rest will remain at rest until a force acts on it

10. The law that explains why a passenger lurches forward when a car suddenly stops is:
(A) Newton’s First Law
(B) Newton’s Second Law
(C) Newton’s Third Law
(D) Law of Universal Gravitation