Question

Explain rocket propulsion

Answer 1

◆◆When rockets leave the launch pad, they need a lot of power to lift them off the ground. Accomplishing this feat, however, isn't easy when you consider that rockets can weigh upwards of 4.4 million pounds.◆◆

◆◆Because of this massive weight, rockets have to rely on a powerful propulsion system. Rocket propulsion is the process that uses force to move a rocket off the ground and into the atmosphere.◆◆


◆◆Types of Rocket Propulsion◆◆


For propulsion to work, rockets need a solid or liquid propellant, which consists of a fuel source and an oxidizer (the source of oxygen that's needed to burn the fuel).

There are two types of rocket propulsion that will launch a rocket off the ground:

●solid propulsion - the fuel and oxidizer are combined as a solid liquid ●propulsion - the fuel and oxidizer are stored separately, then later combined and ignited.◆◆◆◆◆◆◆◆◆◆◆


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Answer 2

The propulstion of rocket is based on the principle of action and reaction. The rapid burning of fuel produced hot gases which rushes out from the nozzle at the rear end at a weigh high speed. The equal and opposite reaction force most the rocket upward at a great speed.