Question
Sat September 22, 2012 By:
 

when rocket is launched from the surface of earth which law of motion is applied ?explain

Expert Reply
Sun September 23, 2012
For rocket launching Newton's third law of motion is responsible.
As, in a rocket the fuel is burnt to produce large quantity of gases. These hot gases escapes with a large force (action) through the nozzle at the bottom of the rocket. These escaping gases exerts an equal and opposite force (reaction) on the rocket. Thus, a rocket rises upwards due to the reaction exerted by hot gases escaping downward through the nozzle of the rocket.
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