Question

2 points
What is the principle of
working of a rocket? *
Principle of conservation of linear
momentum
O O O
Principle of conservation of energy
Other:​

Answer 1

Answer:

1) Rocket engines work by action and reaction and push rockets forward solely by expelling their exhaust in the opposite direction at tremendous speed, and can, therefore, work in the vacuum of space. As the rocket engines are ignited, the thrust from the rocket unbalances the forces, and the rocket travels upward.

2) Conservation of linear momentum, general law of physics according to which the quantity called momentum that characterizes motion never changes in an isolated collection of objects; that is, the total momentum of a system remains constant.

3) In physics and chemistry, the law of conservation of energy states that the total energy of an isolated system remains constant; it is said to be conserved over time

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Answer 2

Explanation:

☆The surface of the pad pushes the rocket up while gravity tries to pull it down. Rocket engines work by action and reaction and push rockets forward solely by expelling their exhaust in the opposite direction at tremendous speed, and can, therefore, work in the vacuum of space. As the rocket engines are ignited, the thrust from the rocket unbalances the forces, and the rocket travels upward. Actually, rockets work more efficiently in space than in an atmosphere. Multistage rockets are proficient of attaining escape velocity from Earth and hence can achieve unlimited maximum altitude.

☆The principle of conservation of energy states that the total amount of energy remains the same in such conversions, i.e. energy cannot be created or destroyed. In mechanics, the potential energy possessed by a body is frequently converted into kinetic energy, and vice versa.