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Laws of Motion
Question
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If in the rocket the fuel burns at the rate of m kg/s and burnt gases leave the rocket with velocity u m/s, then how much force the rocket will experience due to exhaust of gases?

Answer

Rate of burning of fuel = m kg/s
Velocity at which the gas leaves the rocket = u m/s
So, force experienced by rocket due to exhaust of gases = mu

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Some More Questions From Laws of Motion Chapter

Due to what type of inertia, the spark leaves the grind stone tangentially while sharpening the knife?

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What is measure of inertia of body?

Which law of motion defines the force?

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