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Laws Of Motion

Question

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If both the speed of a body and radius of its circular path are doubled, what will happen to the centripetal force?

Solution

Centripetal force =

mv squared over straight r

The centripetal force gets doubled, when the speed of the body and radius of it's circular path gets doubled.

Some More Questions From Laws of Motion Chapter

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?

Which law of motion is the real law of motion?

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