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✏️Thidas Gammanpila

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Author (Chad Hurley, Steve Chen, Jawed Karim) youtube.com. [online] Available from - https://m.youtube.com/watch?v=EgqcGrB3re8 Accessed on - [23.05.2016]

Author (Paul Dembling) grc.nasa.gov. [online] Available from - http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/Introduction_to_Newtons_Laws.html Accessed on - [23.05.2016]

Author (Paul Dembling) grc.nasa.gov. [online] Available from - http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/The_Law_of_Inertia.html Accessed on - [25.05.16]

Author (YouTube, Make me Genius) makemegenius.com. [online] Available from - https://www.youtube.com/watch?v=OHw80HXSuAQ Accessed on - [23.05.2016]

Author (Chad Hurley, Steve Chen, Jawed Karim) youtube.com [online] Available from - https://m.youtube.com/watch?v=ZvPrn3aBQG8 Accessed on [23.05.2016]

Author (University of Tennessee in USA) phys.utk.gov [online] Availble from - http://csep10.phys.utk.edu/astr161/lect/history/newton3laws.html Accessed on [25.05.2016]

Author (Michael Sorois and Georgia Louviere) teachertech.rice.edu [online] Availble from - http://teachertech.rice.edu/Participants/louviere/index.html Accessed on [25.05.2016]

Author (Sal Khan) khanacademy.org [online] Available from - https://www.khanacademy.org/science/physics/forces-newtons-laws/newtons-laws-of-motion/a/what-is-newtons-first- Accessed on- [26.05.2016

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To fly free in the air the bird should flap its wings. When it flaps it's wings downwards, it pushes the air downward. Then the air pushes the bird up to the sky.

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This picture demonstrates that the man has a less force than the elephant. With the formula [Mass into acceleration = Force] I calculated the Force. Assume the man has the net force of 10N and the elephant has the net force of 100N. The force of the elephant is 10 times stronger than the force of the human. So the man can produce  less acceleration on the stone while the elephant can produce a large amount of acceleration to the same object.

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A football is remaining at rest in the first diagram.
The football is moving at the  same velocity in the second diagram. The moving ball can be stopped by giving an unbalanced force in the last diagram.

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In this video it teaches us that  every action has an opposite and equal reaction. If you sit on a chair our body exerts a downward force on the chair. The chair also exerts an upward force. If it doesn't we will collapse.

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Third Law of Motion states that for every action has an opposite and equal reaction.

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In this video, it teaches us that, the acceleration of an object depends on the mass of an object and the amount of force applied. If you try to push a stone which is 100kg it will not move. If a stronger person or an animal like an elephant can moved it, it would move because the stronger animal or the person exerts a large force as well as stronger acceleration.

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Newton's Second Law of Motion | #aumsum #kids #science #education #children

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The netforce equals the to the product of mass and its acceleration. Acceleration is produced when an unbalanced  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.

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In this video, it teaches about what is inertia and the definition of the first law of motion. If a force doesn't apply on an object the object will remain at rest. Even you kicked a stone, it won't move if the forces act on are balanced. If the stone is moving in an equal velocity we can say that its forces are balanced. If you want to stop the stone you should apply an unbalanced force on it.

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Visit http://www.makemegenius.com for free science videos for children. A brief video for children explaining Newton's first law in an easy & fun way. The first law states that 'Things want to keep on doing what they are already doing'.Understand it by watching this animated cartoon film.

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First Law of motion -  An object at rest, stays at rest or an object in motion stays in the same velocity and in the same direction unless acted upon by an unbalanced force.

Velocity is the speed of an object in a specified direction. An unbalanced force is an external force that changes the motion of an object. When an object is at rest or moving at a constant velocity, all the forces acting on it are balanced.

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First Law of motion -  An object at rest, stays at rest and an object in motion stays in the same velocity and in the same direction unless acted upon by an unbalanced force.

Second Law of Motion - The unbalanced force acted on an object equals to the product of its mass and its acceleration.
F = ma

Third Law of Motion -  Every action has an opposite and equal reaction.