EASY
9th CBSE
IMPORTANT
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Name the quantity, the slope of whose graph against time gives acceleration.

Important Questions on Motion

EASY
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 1 - Motion>Exercise>Q 5
The distance-time graph of a body is a straight line parallel to the time axis at a distance of 10 m from the origin. What can you conclude from it?
MEDIUM
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 1 - Motion>Exercise>Q 6

Three speed-time graphs are given below:
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Which case represents the case of:
(a) a ball is thrown vertically upwards and returns to the hand of the thrower?

(b) a body decelerating to a constant speed then accelerating uniformly?

EASY
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 1 - Motion>Exercise>Q 7
What can you say about the motion of a body if its speed-time graph is straight line parallel to the time axis?
EASY
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 1 - Motion>Exercise>Q 8
What conclusion can you draw about the acceleration of a body from the speed-time graph shown in figure.
Question Image
EASY
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 1 - Motion>Exercise>Q 10
Show that a uniform circular motion is an accelerated motion.
EASY
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 1 - Motion>Exercise>Q 11
A body moves in a circular path with uniform speed. Does its velocity change, if so, how?
EASY
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 1 - Motion>Exercise>Q 12
State the important characteristic of uniform circular motion. Name the force which brings about uniform circular motion.
MEDIUM
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 1 - Motion>Exercise>Q 13
Write the formula to calculate the speed of a body moving along a circular path. Give the meaning of each symbol which occurs in it.