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9th CBSE
IMPORTANT
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When is acceleration (i) positive, (ii) negative?

Important Questions on Motion

EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 1 - Motion>EXERCISE>Q 3
State the unit of acceleration in SI system. (Choose from: metre per second/ metre per second square)
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9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 1 - Motion>EXERCISE>Q 4
Give an example of an acceleration body moving with a uniform speed.
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9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 1 - Motion>EXERCISE>Q 5
A cricket ball is projected vertically upward what kind of acceleration is acting on the ball?
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9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 1 - Motion>EXERCISE>Q 6
Does the seconds hand of a watch represent uniform motion or accelerated motion?
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9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 1 - Motion>EXERCISE>Q 7
How much height a body gain when it is thrown vertically upward with velocity u ?
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 1 - Motion>EXERCISE>Q 1
Define the terms (i) speed, and (ii) velocity.
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9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 1 - Motion>EXERCISE>Q 2
State two difference between speed and velocity.
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 1 - Motion>EXERCISE>Q 3
Why is speed considered an incomplete physical quantity? Name a quantity akin to speed which describes the motion of a particle more accurately.