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Sir Isaac Newton had a lot to say about things like this.....
His First LAW of INERTIA:
[h=2]An object at rest will remain at rest unless acted on by an unbalanced
force. An object in motion continues in motion with the same speed and in the
same direction unless acted upon by an unbalanced force.
This law is often called
"the law of inertia".
[/h]
His Second LAW... MOTION:
[h=2]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).[/h]
His Third LAW... MOTION:
[h=2]For every action there is an equal and opposite re-action.[/h]
His First LAW of INERTIA:
[h=2]An object at rest will remain at rest unless acted on by an unbalanced
force. An object in motion continues in motion with the same speed and in the
same direction unless acted upon by an unbalanced force.
This law is often called
"the law of inertia".
[/h]
His Second LAW... MOTION:
[h=2]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).[/h]
His Third LAW... MOTION:
[h=2]For every action there is an equal and opposite re-action.[/h]