EASY
9th CBSE
IMPORTANT
Earn 100

Check whether the distance covered and the magnitude of the displacement are same or not? Justify.
An athlete completes one lap in a race.

Important Questions on Motion

EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>Check Point 01>Q 5
After studying the motion of a ball rolling on a straight line as shown in figure:
Question Image
Find its distance and displacement covered
(i) when it rolls from Pto Q and then to R (i.e. P to Q to R) and
(ii) finally comes back to P (i.e. Pto P) (take, Pas reference point).
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>Check Point 02>Q 1
Define average speed, write any one point of difference between average speed and average velocity.
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>Check Point 02>Q 2
The maximum speed of a train is 80 km h-1. It takes 10 h to cover a distance of 400 km. Find the ratio of its maximum speed to its average speed.
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>Check Point 02>Q 3
Which of the two can be zero under certain conditions : average speed of a moving body or average velocity of a moving body?
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>Check Point 02>Q 4
Give two factors on which acceleration depends.
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>Check Point 02>Q 4
Mention the formula and SI unit of acceleration.
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>Check Point 02>Q 5
What is the term used for negative acceleration.
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>Check Point 02>Q 5
A bus starting from rest attains a velocity of 54 km h-1in 60 s. Find its acceleration ?