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Force - Topic Overview Video Lecture | Science Olympiad Class 4

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FAQs on Force - Topic Overview Video Lecture - Science Olympiad Class 4

1. What is force?
Ans. Force is a physical quantity that can cause an object to accelerate or deform. It is a push or pull exerted by one object on another.
2. What are the different types of forces?
Ans. There are several types of forces, including gravitational force, electromagnetic force, frictional force, normal force, tension force, and applied force.
3. How is force measured?
Ans. Force is measured using the unit called Newton (N). One Newton is defined as the force required to accelerate a one-kilogram mass by one meter per second squared.
4. What is Newton's first law of motion?
Ans. Newton's first law of motion, also known as the law of inertia, states that an object at rest will stay at rest, and an object in motion will stay in motion with the same speed and direction unless acted upon by an external force.
5. How does force affect an object's motion?
Ans. Force can change an object's motion by accelerating it, decelerating it, changing its direction, or deforming it. The magnitude and direction of the force determine the resulting motion of the object.
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