MEDIUM
9th CBSE
IMPORTANT
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A: A body moving in a circle has an acceleration directed towards the centre.
B: Uniform circular motion is an example of variable acceleration.
C: Linear velocity of a body moving in a circle differs with the distance from the axis.

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Important Questions on Motion

EASY
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 8 - Motion>ASSESS YOURSELF>Q 10
A particle is moving in a circular path of radius r. The displacement after half a circle would be
MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 8 - Motion>ASSESS YOURSELF>Q 11
A body is thrown vertically upward with velocity u, the greatest height h to which it will rise is,
EASY
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 8 - Motion>ASSESS YOURSELF>Q 12
The numerical ratio of displacement to distance for a moving object is
MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 8 - Motion>ASSESS YOURSELF>Q 13
If the displacement of an object is proportional to square of time, then the object moves with
EASY
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 8 - Motion>ASSESS YOURSELF>Q 14
From the given v-t graph, it can be inferred that the object is
Question Image
MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 8 - Motion>ASSESS YOURSELF>Q 15
When v-t graph has negative slope, acceleration is _____. (negative / zero / positive)
EASY
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 8 - Motion>ASSESS YOURSELF>Q 16
Distance and speed are _____ (scalar/vector) quantities.
MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 8 - Motion>ASSESS YOURSELF>Q 17
Angular speed of second hand of a clock is πk radian per second. The value of k is _____.