Advertisements
Advertisements
Question
Is the following statement true or false :
A rocket can propel itself in a vacuum.
Advertisements
Solution
The given statement is true. A rocket propulsion system works on the principle of conservation of momentum.
APPEARS IN
RELATED QUESTIONS
If action is always equal to the reaction, explain how a horse can pull a cart.
Explain, why is it difficult for a fireman to hold a hose, which ejects large amounts of water at a high velocity.
What is the force which produces an acceleration of 1 m /s2 in a body of mass 1 kg ?
Why does a gunman get a jerk on firing a bullet ?
If action is always equal to reaction, explain why a cart pulled by a horse can be moved.
Give scientific reasons.
It is easier to stop a tennis ball as compared to a cricket ball when both are travelling with the same velocity.
Complete a sentence and explain it.
The working of a rocket depends on Newton's ______ law of motion.
“Wearing helmet and fastening the seat belt is highly recommended for safe journey” Justify your answer using Newton’s laws of motion.
According to the third law of motion, action and reaction
A book is resting on a table. Which of the following is the correct reaction force to the gravitational pull of the Earth on the book?
