# how to make newton’s law working model (Newton first, second & thrid law) Science Project

Isaac Newton’s laws of motion are a set of three physical laws that form the basis of classical mechanics. They describe the relationship between a body and the forces acting upon it, and its motion in response to those forces. The laws are:

## Newton’s first law

It is also known as the law of inertia, states that an object at rest will remain at rest, and an object in motion will continue in motion with a constant velocity, unless acted upon by an unbalanced force.

In other words, an object will not change its motion unless a force is applied to it.

## Newton’s Second law

It is also known as the law of acceleration, states that the acceleration of an object is directly proportional to the net force acting on the object and inversely proportional to its mass.

Mathematically, this can be represented as F=ma, where F is the force, m is the mass, and a is the acceleration.

## Newton’s Third law

It is also known as the law of action and reaction, states that for every action, there is an equal and opposite reaction.

This means that if an object A exerts a force on object B, object B will exert an equal and opposite force on object A. This is often referred to as the principle of “equal and opposite forces.”

These laws were formulated by Isaac Newton in 1687 and have been widely accepted as the foundation of classical mechanics, which is the branch of physics that deals with the motion of objects under the influence of forces.

They are widely used in many areas of physics and engineering, including mechanics, aerospace, and robotics.

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## working model of Isaac Newton’s laws of motion

A working model of Isaac Newton’s laws of motion can be a great way to demonstrate the principles of classical mechanics for a science project.

Here are a few examples of working models that you can create to demonstrate each of Newton’s laws:

1. Newton’s first law: To demonstrate Newton’s first law of inertia, you can create a model of a car on a ramp. Place the car at the top of the ramp and release it. The car should roll down the ramp and come to a stop at the bottom, demonstrating that an object at rest will remain at rest unless acted upon by an unbalanced force.
2. Newton’s second law: To demonstrate Newton’s second law of acceleration, you can create a model of a rocket using a balloon and a straw. Blow up the balloon and attach it to the straw. When you release the air from the balloon, the straw should propel forward, demonstrating that the acceleration of an object is directly proportional to the net force acting on the object and inversely proportional to its mass.
3. Newton’s third law: To demonstrate Newton’s third law of action and reaction, you can create a model of a rocket using a balloon and a straw. Hold the straw near the balloon and blow air into the balloon. The balloon should push the straw away, demonstrating that for every action there is an equal and opposite reaction.

These are just a few examples of working models that can be created to demonstrate Newton’s laws of motion.

## Q: What are Newton’s laws of motion?

A: Newton’s laws of motion are three fundamental laws that describe the relationship between an object’s motion and the forces acting upon it. The three laws are:

1. The first law states that an object at rest will remain at rest and an object in motion will remain in motion at a constant velocity unless acted upon by an unbalanced force.
2. The second law states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. This can be represented by the equation F = ma, where F is the force, m is the mass, and a is the acceleration.
3. The third law states that for every action, there is an equal and opposite reaction. This means that if an object exerts a force on another object, the second object will exert an equal and opposite force on the first object.

## Q: How does the model demonstrate Newton’s first law of motion?

A: The model may show an object, such as a ball or car, on a frictionless surface, and demonstrate that the object will remain at rest or continue in motion at a constant velocity unless acted upon by an unbalanced force.

## Q: How does the model demonstrate Newton’s second law of motion?

A: The model may show an object, such as a cart or block, being pulled or pushed by a force, and demonstrate how the acceleration of the object is directly proportional to the force and inversely proportional to its mass.

## Q: How does the model demonstrate Newton’s third law of motion?

A: The model may demonstrate the third law through examples like a rocket launching and a balloon being popped, showing that the action of the rocket or balloon pushing in one direction results in an equal and opposite reaction of the rocket or balloon moving in the opposite direction.