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To project the rockets which of the following principle(s) is /(are) required ?

To project the rockets which of the following principle(s) is /(are) required ?

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To project the rockets which of the following principle(s) is /(are) required ?

Updated On: 27-06-2022

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Newton's third law of motion

B

Newton's law of gravitation

C

law of convervation of linear momentum

D both a and c Answer

The correct Answer is D

Answer

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On which of the following principles does a rocket in space work?

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[Solved] On which of the following principles does a rocket in space

Concept: Momentum: The product of mass and velocity is called momentum or linear momentum. It is denoted by P and unit is kg⋅ m/s Momentum (P) =

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On which of the following principles does a rocket in space work?

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RRC Group D Previous Paper 31 (Held On: 1 Oct 2018 Shift 2)

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Principle of Conservation of Mass

Principle of Conservation of Speed

Principle of Conservation of Momentum

Principle of Conservation of Energy

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Option 3 : Principle of Conservation of Momentum

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Concept:

Momentum: The product of mass and velocity is called momentum or linear momentum.

It is denoted by P and unit is kg⋅ m/s

Momentum (P) = Mass (m) × velocity (V)

Conservation of linear momentum: When there is no net external force on a system, then the total linear momentum of the system remains constant. This is called the conservation of linear momentum.

Explanation:

In the case of a rocket, we will take the rocket and its fuel as a system. There is no net force on this system, so the total momentum will be conserved.

Thus the rockets work on the law of conservation of linear momentum is correct.

The increased forward momentum of the rocket is equal but opposite in sign to the momentum of the ejected exhaust gases.

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To project the rockets which of the following principle(s) is /(are) required?

To project the rockets which of the following principle(s) is /(are) required?

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To project the rockets which of the following principle(s) is /(are) required?

OPTIONS

Newton’s third law of motion

Newton’s law of gravitation

law of conservation of linear momentum

both a and c Advertisement Remove all ads

SOLUTION

Both a and c

Concept: Newton’s Universal Law of Gravitation

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Chapter 1: Laws of Motion - Evaluation [Page 13]

Q I. 10) Q I. 9) Q II. 1.

APPEARS IN

Tamil Nadu Board Samacheer Kalvi Class 10th SSLC Science Answers Guide

Chapter 1 Laws of Motion

Evaluation | Q I. 10) | Page 13

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