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Laws of Motion
Question
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What happens to a stone tied to the end of string and whirled in a circle if the string suddenly breaks?

Answer

If the string suddenly breaks, the stone will fly off tangentially along the straight line due to inertia of direction. This is because, the velocity at any point is directed along the tangential at that point. 

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Some More Questions From Laws of Motion Chapter

State Galileo’s law of motion.

Define inertia.

When the branches of an apple tree are shaken, the apples fall down. Why?

A person jumping out from a moving car or bus falls forward. Why?

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

Which law of motion is also called law of inertia?

What is measure of inertia of body?

Which law of motion defines the force?

What happens to a stone tied to the end of string and whirled in a circle if the string suddenly breaks?

Which law of motion gives the quantitative knowledge of force?