Advertisements
Advertisements
प्रश्न
Rocket works on the principle of conservation of
पर्याय
mass
energy
momentum
velocity
उत्तर
momentum
Explanation:
Rocket works on the principle of conservation of momentum.
APPEARS IN
संबंधित प्रश्न
Give one example in each case where :
The force is of contact, and
Force is at a distance
Which of the following is a contact force:
The non - contact force is :
Two equal and opposite forces act on a stationary body. Will the body move? Give a reason to your answer.
Explain the following:
Why is it dangerous to jump out of a moving vehicle? How can the danger be minimised?
Multiple Choice Question. Select the correct option.
Action-reaction forces
Gravitational force is a ______ force.
What is a non-contact force?
In the circuit shown in figure, when the key is closed, the compass needle placed in the match box deflects. Name the force which cases this deflection.
Two thermocol balls held close to each other but move away from each other, when they are released. Name the force which might be responsible for this phenomenon. Explain.
