# Laws of motion and their everyday applications MCQs in Everyday Science

**1. According to Newton’s First Law of Motion, an object will remain at rest or in uniform motion unless acted upon by an external force. What is this law commonly referred to as?**

a) Law of Acceleration

b) Law of Inertia

c) Law of Action and Reaction

d) Law of Gravitation

**Answer:** b) Law of Inertia

**2. Which of Newton’s laws of motion explains why you lurch forward in a car when it suddenly stops?**

a) Newton’s First Law

b) Newton’s Second Law

c) Newton’s Third Law

d) Newton’s Law of Universal Gravitation

**Answer:** a) Newton’s First Law

**3. Newton’s Second Law of Motion states that the force applied to an object is equal to the mass of the object multiplied by its acceleration. What is this law commonly written as?**

a) F = m/g

b) F = m * a

c) F = a / m

d) F = m / a

**Answer:** b) F = m * a

**4. When you push a shopping cart, the cart accelerates in the direction of your push. Which law of motion describes this phenomenon?**

a) Newton’s First Law

b) Newton’s Second Law

c) Newton’s Third Law

d) Law of Conservation of Momentum

**Answer:** b) Newton’s Second Law

**5. Which of Newton’s laws of motion explains why a rocket can lift off the ground?**

a) Newton’s First Law

b) Newton’s Second Law

c) Newton’s Third Law

d) Law of Universal Gravitation

**Answer:** c) Newton’s Third Law

**6. If you apply a force of 10 N to push a car and it accelerates at 2 m/sÂ˛, what is the mass of the car according to Newton’s Second Law?**

a) 5 kg

b) 10 kg

c) 20 kg

d) 30 kg

**Answer:** c) 20 kg

**7. When jumping off a diving board, why do you push the board down and the board pushes you up?**

a) Newton’s First Law

b) Newton’s Second Law

c) Newton’s Third Law

d) Law of Inertia

**Answer:** c) Newton’s Third Law

**8. Why do passengers feel a sudden jolt when a bus accelerates quickly?**

a) Due to Newton’s First Law

b) Due to Newton’s Second Law

c) Due to Newton’s Third Law

d) Due to the Law of Universal Gravitation

**Answer:** a) Due to Newton’s First Law

**9. Why is it harder to push a car than a bicycle?**

a) Because of Newton’s First Law

b) Because of Newton’s Second Law

c) Because of Newton’s Third Law

d) Because of Newton’s Law of Gravitation

**Answer:** b) Because of Newton’s Second Law

**10. When you jump off a small boat into water, why does the boat move backward?**

a) Newton’s First Law

b) Newton’s Second Law

c) Newton’s Third Law

d) Law of Inertia

**Answer:** c) Newton’s Third Law

**11. In a collision, why does a passenger wear a seatbelt?**

a) To reduce the force on the body

b) To increase the car’s acceleration

c) To change the direction of motion

d) To keep the car’s momentum constant

**Answer:** a) To reduce the force on the body

**12. When you sit in a rolling chair and push off a desk, why do you roll backward?**

a) Due to Newton’s First Law

b) Due to Newton’s Second Law

c) Due to Newton’s Third Law

d) Due to the Law of Conservation of Energy

**Answer:** c) Due to Newton’s Third Law

**13. Why does a heavier object require more force to accelerate at the same rate as a lighter object?**

a) Due to Newton’s First Law

b) Due to Newton’s Second Law

c) Due to Newton’s Third Law

d) Due to the Law of Universal Gravitation

**Answer:** b) Due to Newton’s Second Law

**14. When a basketball player dribbles a ball, what law of motion is being applied as the ball bounces off the ground?**

a) Newton’s First Law

b) Newton’s Second Law

c) Newton’s Third Law

d) Law of Conservation of Momentum

**Answer:** c) Newton’s Third Law

**15. If a car is moving with a constant velocity, what can be said about the forces acting on it according to Newton’s First Law?**

a) The forces are unbalanced

b) The forces are balanced

c) The forces are in equilibrium

d) The car is accelerating

**Answer:** b) The forces are balanced