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What is meant by uniform circular motion?

Important Questions on Motion

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9th CBSE
IMPORTANT
Physics For Class 9>Chapter 1 - Motion>Exercise>Q 8
A particle is moving with a uniform speed. Is it necessary that it is moving along a straight line?
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9th CBSE
IMPORTANT
Physics For Class 9>Chapter 1 - Motion>Exercise>Q 9
A planet goes round the sun with constant speed in a circular orbit. Is the motion uniform or accelerated?
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9th CBSE
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Physics For Class 9>Chapter 1 - Motion>Exercise>Q 10
Give one example of a motion where an object does not change its speed but its direction of motion changes continuously?
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9th CBSE
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Physics For Class 9>Chapter 1 - Motion>Exercise>Q 11
Name the type of motion in which a body has constant speed but not constant velocity.
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9th CBSE
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Physics For Class 9>Chapter 1 - Motion>Exercise>Q 1
Figure shows the velocity-time graph for the objects A and B, moving along the same direction. Which object has greater acceleration?
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Physics For Class 9>Chapter 1 - Motion>Exercise>Q 2
What can you say about the motion of a body, if its displacement -time graph is a straight line passing through the origin?
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Physics For Class 9>Chapter 1 - Motion>Exercise>Q 2

What can you say about the motion of a body, if its velocity-time graph is parallel to the time axis?

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9th CBSE
IMPORTANT
Physics For Class 9>Chapter 1 - Motion>Exercise>Q 3

Given below are some speed-time graphs. In which of the graphs,
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(a) speed is constant.

(b) speed is increasing

(c) speed is decreasing

(d) What happens in (iv)?

(e) What happens in (v)?