Tuesday, May 18, 2010

third law of motion

















We all have watched rockets flying either on TV or for real in sky ! A rocket is a missile or a vehicle which obtains thrust by the reaction of the rocket to the ejection of fast moving fluid exhaust from a rocket engine. Rockets work on Sir Isaac Newton’s Third Law of Motion, which states,For every action there is an equal and opposite reaction. A rocket is a type of reaction engine that moves forward when mass is thrown backward.

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