Newtons Laws of Motion

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by kennethhallfhs
Last updated 5 years ago

Discipline:
Science
Subject:
Physics

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Newtons Laws of Motion

An object at rest will remain at rest unless acted on by an unbalance force. An object in motion continues in motion with the same speed and the same direction unless acted upon by an unbalanced force. This law it often called "The Law of Inetia."

The animation above shows Newstons first law of motion in action. The blue block is travling in the same direction, with the same speed, and will never stop because there is no unbalanced force acting upon it.

The Second Law of Motion

Acceleration is produced when a force acts on a mass. the greater the mass (of the object being accelerated) the greater the amount of force needed (to accelerate the object).

The law can also be expressed as a mathmatical equation.F = M A orForce = Mass Times Acceleratoin

The First Law of Motion

The illustration above shows Newtons second law. The child on the right can move his rock easier than the child on the left because of Newtond second law of motion. The rock on the left has a much larger mass as aposed to the rock on the right, therefore the child on the left needs to exert more force than the child on the right.

Sir Isac Newtons Three Laws of Motion

The Third Law of Motion

For every action, there is an equal and opposite re-action.

The animation to the left shows Newtons third law of motion in action. Since for every action there is an equal and opposite reaction, when one ball hits the other three balls, it sends force through them, and makes the ball on the end move. The ball on the end moving, is the equal and opposite reaction of the opposite end ball hitting the others


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