SOLAR SYSTEM

UNIVERSE

SPACE EXPLORATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The reaction force that propels a rocket forward is called
A
velocity
B
gravity
C
orbit
D
thrust
Explanation: 

Detailed explanation-1: -Thrust is the force which moves the rocket through the air, and through space. Thrust is generated by the propulsion system of the rocket through the application of Newton’s third law of motion; For every action there is an equal and opposite re-action.

Detailed explanation-2: -When rocket fuel is burned, hot gases are produced. These gases expand rapidly and are forced out of the back of the rocket. This is the action force. The gases exert an equal and opposite force on the rocket itself. This is the reaction force.

Detailed explanation-3: -Thrust is a mechanical force. It is generated most often through the reaction of accelerating a mass of gas. The engine does work on the gas and as the gas is accelerated to the rear, the engine is accelerated in the opposite direction. The acceleration of the engine mass produces a force on the aircraft.

Detailed explanation-4: -thrust: The force that acts on rockets or airplanes to make them move forward. This force is created by the engine, also known as the propulsion system.

Detailed explanation-5: -A thruster is a spacecraft propulsion device used for orbital station-keeping, attitude control, or long-duration, low-thrust acceleration, often as part of a reaction control system.

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