Question

5. The working of a rocket is based on the principle of ----
a. Newon's first law
b. Newton's second law
c. Newton's third law
a.
d. none of the above
6. Out of the following which type of propellant is not used in rockets?
Solid
b. Liquid
c. liquefied gas
d. none of the above
7. PSLV stands for
a. Polar Satellite Launch Vehicle
b. Postal Satellite Launch Vehicle
c. Payload Satellite Launch Vehicle
d. Propulsion Satellite Launch Vehicle
​

Answer 1

Answer:

Rocket Propulsion, Changing Mass, and Momentum

In rocket propulsion, matter is forcefully ejected from a system, producing an equal and opposite reaction on what remains.

Answer 2

Answer:

5. c) Newton's third law

6. d).none of these .

7).The Polar Satellite Launch Vehicle

Explanation:

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