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NCERT Solutions for Class 9 Science Chapter 9: Force and Laws Of Motion

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NCERT Solutions for Class 9 Science Chapter 9 - Force and Laws of Motion
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NCERT Solutions Class 9 Science answers are like an all-time available solution to the problems of students. With these solutions, you can prepare easily for a class test or the final exam. These NCERT Solutions present the entire chapter in an organized way to make students confident about the chapter. Even if a student has never read the chapter, by going through these NCERT solutions, they will be ready to face the exams. NCERT Solutions Science Class 9 Chapter 9 is prepared in an easy and understandable language by subject experts at Vedantu and is also easily accessible.

You can also download NCERT Solutions for Class 9 Science and Class 9 Maths curated by our Master Teachers really Helpful.

Copy of 9. Force and Law of Motions part-1
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FAQ (Frequently Asked Questions)

1. What are force and its effects?

A push or a pull on anybody is called Force. The direction in which a body is pushed or pulled is called the direction of the force. For example, if a horse cart is pulled by a horse in the east direction then that ‘pull’ is the force and east is the direction of the force.


Effects of Force

We cannot see the force but through its effect, we can identify the force. There are various effects of force as explained below-

  • Making a stationary body move. For example, Kicking a ball at rest. 

  • A force can stop a moving body. For example, Brakes applied on a moving cycle.  

2. What are the 3 Laws of Motion?

Newton gave the 3 laws of motion that describe the motion of moving bodies. 

  • First Law of motion:- A body at rest will remain at rest, and a body in motion will continue in motion with uniform speed unless an external force is applied on the body to change its state of rest or uniform motion.

  • Second Law of motion:-  The rate of change of momentum is directly proportional to the applied force, and takes place in the direction in which the force acts. 

  • Third Law of motion: To every action, there is an equal and opposite reaction. Example: Firing of Gun.