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Motion In Straight Line

Question

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What is the sign of acceleration during interval OA, AB and BC and that of velocity during AB, BC and CD?

Solution

	OA	OB	BC
Acceleration	positive	Zero	Zero
	AB	BC	CD
Velocity	Positive	Negative	Zero

Some More Questions From Motion in Straight Line Chapter

What is rest?

What is motion?

Is absolute rest or absolute motion possible?

What is the most essential thing to study the motion of a body?

Can a body be always at rest in some frame?

Can a body be in motion in the frame associated with the body itself?

When an object in motion can be considered as particle or point object?

Can you think of physical phenomena involving the moon in which moon cannot be treated as particle?

A train is crossing the bridge. Can it be taken as a particle?

Can a train be taken a particle? Give an example in support of your answer.

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