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Newtons Laws of Motion

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Johana Lopez

on 3 April 2015

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Transcript of Newtons Laws of Motion

Newton's Laws of Motion
Newtons Second Law
Newton's second law states that a force acting on a object has the same amount of mass as the other object times its acceleration. Acceleration depends on two main things the objects mass and net force.
Newton's 3rd Law
Newton's third law states that for every action there has to be an equal reaction, but also there needs to be an opposite reaction. What that means is that on every object there has to be two forces acting on it.

Newtons First Law
"An object at rest remains at rest
and an object in motion maintains
it's velocity unless it experiences
an unbalanced force"
Johana Lopez & Fatima Guillen
7th Hour
April 1, 2015

As show on video number one that show every acting has an equal and opposite reaction. The act in this video was the ball falling and the opposite reaction is the ball coming back as soon as it touche the earth.the ball was the first object and the earth was the second object. Object number one gives force to the second object and the second object gives the same force but with unbalance force.
Video number two show a ball at rest and a opposite reaction the kick of a football player.As in video number one object number one is the the ball, but the opposite reaction dose not come form a object at rest it comes form object in motion . The foot gives the ball a force, but also the ball gives the foot the opposite reaction and the same amont of force. Over all the ball is go to air because it ill have more acceleration and has less mass.
Some force on two objects of different mass
will get a different accelerations changes in
motion. Picture number one are two person with the
same mass push tower each other with the same
force so there no accelerations . picture number
two the person has a less mass then the elephant
so there less acceleration. Picture number 3 is different form all pictures because now the object that has more mass is the one push the object with less mass which cause a bigger acceleration and a greater move. this happens because the elephant has more force the the person.

The box accelerations bigger because of the forces acting on it. If the object is bigger then the acceleration will be less, but if the box is smiler then the acceleration will be bigger. in the cause one of the boxes was bigger so if the person mass did not match the mass of the box the acceleration will be less. If the mass was the same then there will be a bigger acceleration. To find the acceleration you may used the formal F=ma.
The van is traveling at constant speed until an unbalanced force or outside force acts upon it. The outside force was the person driving the van. He/she suddenly pushes the breaks and causes the van to come to a sudden stop.
At rest

Outside force
The car has no motion until an unbalanced force acts upon it. The unbalanced force is a person pushing the car from behind. The person pushed the car hard enough that the car started moving.
Physical science book


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