Newton's Laws of Motion

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Newton's Laws of Motion

Newton's first law of motion states that every object at rest will remain at rest unless an external force acts upon it. This also applies to objects that are in motion, objects in motion can only be stopped by another external force. This is also known as the Law of Inertia.

Newton's First Law

Author: Maggie Ngai

Newton's Law of Motion

Name: Maggie Ngai Date: 4/11/14 Class: 2A

Newton's third law states that for every action, there is an equal and opposite reaction.

Newton's Third Law

Newton's second law of motion states that the net force of an object is dependent on the objects' acceleration and mass. the formula F=ma is used to demonstrate this.

Newton's Second Law

Title: Chapter 8 Project: Newton's Law of Motion

Video Example:

Video Example:

Video Example:

An example of Newton's first law of motion is demonstrated in the video above, the person was at rest but moved because of the sudden stop from the car. According to Newton's first law, this stop became the external force that caused the person to move. The picture of Newton's Cradle portrays Newton's first law of motion because all the metal balls are in a state of rest, and when an external force such as a finger applies force onto the metal ball, it causes the metal ball to be in motion.

In the video, it demonstrated Newton's second law of motion. According to the second law, the net force is dependent on the mass and acceleration of the object. The red ball had a greater mass even and the acceleration between both balls were the same. However the red ball had more force due to greater mass, so it traveled slower. In the picture above, it depicts a tired husky dragging a sleigh with a rock, which has a total force of 50 kg. Due to having a greater mass, it takes more force to drag it and accelerate. This picture demonstrated the relationship between mass, acceleration, and force.

In the video above, when the teacher releases the balloon, the air is also released and pushes off, this is the action. While, the balloon flies off due to air being released, this demonstrates the equal and opposite reaction from Newton's third law. In the picture, the push from the shoe is the action, while the force exerted by the skateboard to the ground is the opposite and equal reaction, which demonstrated Newton's third law.

Example of Newton's Laws


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