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# NEWTON'S LAW OF MOTION

It's fascinate
by

## Machioud Jordan Sanni

on 1 March 2015

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#### Transcript of NEWTON'S LAW OF MOTION

Newton's law of motion
By: Machioud Sanni

Sir Isaac discoverer of
Newton's laws of motion
teaches that something at rest tends to stay at rest, while something in motion wants to stay in motion. There are three(3) types of newton's law of motion.
What is the law of motion?
The first law of newton said every object in a state of uniform motion tends to remain at that state of motion unless an external force is applied to it. It is often called
"the law of Inertia".

_There are two(2) parts to this statement. One that predicts the behavior of stationary objects and the other that predicts the behavior of moving objects. The two(2) parts are summarized in the following diagram.
I-Newton's first law of motion
You are about to discover physics.
II- Newton's second law of motion
This is the most powerful of Newton's three(3) laws, because it allows quantitative calculations of dynamics: how do velocities change when forces are applied. The second law said the relationship between an object's mass
(m),
its acceleration
(a),
and the applied force
(f)
is
F=
m
a.
Acceleration and force are vectors; in this law the direction of the force vector is the same as the direction of the acceleration vector. It predicts the behavior of objects for which all existing forces are balanced. According to Newton, an object will only accelerate if there is a
net
or unbalanced force acting upon it. The presence of an unbalanced force will accelerate an object - changing its
speed
, its
direction
,or both its speed and direction.
Newton's second law of motion pertains to the behavior of objects for which all existing forces are not balanced. The second law states that the acceleration of an object is dependent upon two(2) variables- the
net force
acting upon the object and the
mass
of the object. The acceleration of an object depends directly upon the net force acting upon the object, and inversely upon the mass of the object. As the force acting upon an object is increased, the acceleration of the object is increased. As the mass of an object is decreased, the acceleration of the object is decreased.
II-Newton's second law of motion(part 2)
According to Newton, whenever objects
A
and
B
interact with each other, they exert forces upon each other. When you sit in your chair, your body exerts a downward force on the chair and the chair exerts an upward force on your body. There are two(2) forces resulting from this interaction - a force on the chair and a force on your body. These two(2) forces are called
action
and
reaction
forces and are the subject of Newton's third law of motion. According to this the third law stated that for every action there is an equal and opposite reaction.The statement means that in every interaction, there is a pair of forces acting on the two interacting objects. The size of the forces on the first object
equals
the size of the force on the second object. The direction of the force on the first object is
opposite
to the direction of the force on the second object. Forces
always
come in pairs - equal and opposite action-reaction force pairs.
III-Newton's third law of motion
1-
Who was the scientist who gave us the laws of motion?
2-
How many laws of motion are there?
3-
What is another name for the first law of motion?
4-
Could you guess which law explains why we need to wear seatbelts?
5-
Which law says that force is equal to mass times acceleration
(F
=m
a)
?
6-
Which law says that heavier object require more force than lighter objects to move or accelerate them?
7-
Which law explains how rockets are launched into space?
8-
Which law says that for every action there is an equal and opposite reaction?
QUIZ
Sir Isaac

Three(3)

Law of Inertia

First of Law of Motion

Second Law of Motion

Second Law of Motion

Third Law of Motion

Third Law of Motion
You will learn from these labs how the
Newton's laws of motion
work and get some life experience about it.

Have fun!!!!!!!!!!!!

To do these labs you need to go to:
"LAB"
http://www.glencoe.com/sites/common_assets/science/virtual_labs/E25/E25.html
http://www.glencoe.com/sites/common_assets/science/virtual_labs/PS04/PS04.html',
I hope you have fun and learn how science is so interesting. Thank you and I hope to see you soon for my next prezi project.
REALIZED BY:

MACHIOUD SANNI
have fun
THE END
Producer:
SANNI MACHIOUD
SIR ISAAC NEWTON
Full transcript