EASY
9th CBSE
IMPORTANT
Earn 100

A particle is moving with a uniform speed. Is it necessary that it is moving along a straight line?

Important Questions on Motion

EASY
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?
EASY
9th CBSE
IMPORTANT
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?
EASY
9th CBSE
IMPORTANT
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.
EASY
9th CBSE
IMPORTANT
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?
Question Image
MEDIUM
9th CBSE
IMPORTANT
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?
EASY
9th CBSE
IMPORTANT
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?

MEDIUM
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,
Question Image

(a) speed is constant.

(b) speed is increasing

(c) speed is decreasing

(d) What happens in (iv)?

(e) What happens in (v)?

EASY
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 1 - Motion>Exercise>Q 4
Name the quantity, the slope of whose graph against time gives speed.