Ans. Force is a physical quantity that can cause an object to accelerate or deform. It is a push or a pull that can change the state of motion or shape of an object.

2. How is force measured?

Ans. Force is measured using a unit called Newton (N). A force of 1 Newton is defined as the amount of force required to accelerate a 1 kilogram mass by 1 meter per second squared.

3. What are the different types of forces?

Ans. There are several types of forces, including gravitational force, electromagnetic force, frictional force, applied force, normal force, tension force, and spring force.

4. How does force affect motion?

Ans. Force can change the speed, direction, or shape of an object. If an unbalanced force acts on an object, it will accelerate or decelerate, causing a change in its motion.

5. Can force change the shape of an object?

Ans. Yes, force can change the shape of an object. When an external force is applied to an object, it can cause it to compress, stretch, or deform in some way, depending on the strength and direction of the force applied.

CBSE Class 8 > Class 8 Videos > Science > What is Force?

What is Force Video Lecture - Science Class 8

Video Timeline

00:04	Introduction
00:43	Misconceptions about Force
01:36	Net Force
02:37	Force Example
03:33	Forces acting on Stationary Objects
03:44	Forces acting on the Object Moving at Uniform Velocity
More

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Apr 21, 2026 Last updated

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Video Timeline

00:04	Introduction
00:43	Misconceptions about Force
01:36	Net Force
02:37	Force Example
03:33	Forces acting on Stationary Objects
03:44	Forces acting on the Object Moving at Uniform Velocity
More

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What is Force Video Lecture - Science Class 8

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