Chapter Exam

Chapter 2: Force and Motion — Online MCQ Test

Q: What is force?

Answer: A. A push or a pull — Force is a push or a pull acting on an object. It can change the object's motion or shape.

Q: Which of the following is an example of contact force?

Answer: C. Frictional force — Friction acts only when two surfaces are in contact, so it is a contact force.

Q: Why do we wear shoes with grooves on the soles?

Answer: A. To increase friction — Grooves increase friction between the shoe and the ground, helping us walk without slipping.

Q: Which situation shows that friction can be useful?

Answer: B. Writing with a pencil on paper — Friction between the pencil and paper helps the pencil leave marks on the paper.

Q: A box is pushed with a force, but it does not move. Which is the best explanation?

Answer: B. The applied force may be balanced by friction — If the box does not move, the applied force may be balanced by static friction. Balanced forces result in no change in motion.

SCIENCE · Samacheer Kalvi 7th · Tamil Nadu State Board

Practice Chapter 2: Force and Motion with a free chapter-wise online MCQ test for Tamil Nadu State Board Samacheer Kalvi 7th SCIENCE. This chapter covers: Force motion friction Newtons laws Types of forces laws of motion friction and their practical applications. AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 2: Force and Motion — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board Samacheer Kalvi 7th SCIENCE — Chapter 2: Force and Motion, with answers and explanations. These are sample questions; the exam has its own separate question set.

What is force?

A. A push or a pull ✓
B. Only a push
C. Only a pull
D. The speed of an object

Answer: A. A push or a pull
Force is a push or a pull acting on an object. It can change the object's motion or shape.

Which of the following is an example of contact force?

A. Gravitational force
B. Magnetic force
C. Frictional force ✓
D. Electrostatic force

Answer: C. Frictional force
Friction acts only when two surfaces are in contact, so it is a contact force.

Why do we wear shoes with grooves on the soles?

A. To increase friction ✓
B. To decrease gravity
C. To make the shoe heavier
D. To reduce air pressure

Answer: A. To increase friction
Grooves increase friction between the shoe and the ground, helping us walk without slipping.

Which situation shows that friction can be useful?

A. A car moving without brakes
B. Writing with a pencil on paper ✓
C. A ball rolling on a smooth floor
D. Ice skating on ice

Answer: B. Writing with a pencil on paper
Friction between the pencil and paper helps the pencil leave marks on the paper.

A box is pushed with a force, but it does not move. Which is the best explanation?

A. No force is acting on the box
B. The applied force may be balanced by friction ✓
C. The box has no mass
D. Gravity is absent

Answer: B. The applied force may be balanced by friction
If the box does not move, the applied force may be balanced by static friction. Balanced forces result in no change in motion.

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