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Introduction to Newton's second law of motion

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Introduction to Newton's second law of motion

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Newton's second law of motion is one of the three laws published by Sir Isaac Newton in 1687.
This law explains the interaction of forces and object and the way in which the motion of an object is affected by force.

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The rate of change of momentum of a object is directly proportional to the resultant force acting on the object and is in the same direction.

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F= force

m= mass

a=acceleration

Force = mass * acceleration

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Explanation and Example of newton's second law 

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Explanation and Example of newton's second law 

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Force is simply a push or pull.

o   The newton is the unit used to express force.

When you pull a stuck door, you are applying more force to the door.

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·  A force is always exerted by an object and always acts on another object.
·  Net force is the result from combining all the force exerted on an object.
·  A net force acting on a stationary object will move the object.
· Forces occur in pairs and they can be either balanced or unbalanced.
· A stationary object will not move while the forces acting on it are balanced.

·  Balanced forces do not cause change in motion.

·  They are equal in size and opposite in direction.
·  When the net force of an object is not zero, the forces on the object are unbalanced.

·   An unbalanced force always cause a change in motion.

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Example on how newton's second law works

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Example on how newton's second law works