Given below are the CBSEConceptual Questions and answers on Motion for Class 9 physics
(a) Very Short questions
(b) True and false
(c) Short questions
(d) Long answer questions
Hope you like them and do not forget to like , social share and comment at the end of the page.
Very Short Answer Based questions for Motion
What is unit of acceleration?
What is zero uniform velocity motion?
A body moving in a circle with constant speed. Is it having acceleration?
A body goes from point A to B and then return then from B to A. what is the total displacement?
Acceleration is a vector quantity True or false?
What is the path of a velocity –time graph of a body moving with uniform acceleration
What all ways the velocity of the body can be changed?
We can change either in magnitude or direction or we can change both the magnitude and direction
Average speed is the ratio of total distance travelled to the total time taken
True and False
True and False Statements
A. Displacement can be zero but distance never
B. Displacement magnitude can be greater than distance travelled by the object
C. Time is a vector quantity
D. If the velocity of the body decreases with time, the acceleration is negative (retardation), and the motion is called decelerated motion
E. The area of the velocity time graph gives displacement of the body
F. Acceleration is a scalar quantity
G. Motion and rest are relative terms
I. an object can be moving with Uniform speed but variable acceleration Answer
Short Answer type
A object goes from point X to Y and then come back from Y to X. What is the displacement and average velocity? Answer
Displacement is zero as it come back to it initial point.
Now Average velocity is given Displacement/time. Since displacement is zero, Average velocity is also zero
Write down the difference between Scalars and Vectors? Answer
It has magnitude only
It has magnitude and direction both
Example are speed,time,mass,charge
Example are velocity,displacement,acceleration,force
Four Cyclist A,B,C ,D starts at the same point and at the same time and move in a straight line to reach destination .They all move with uniform velocities. They reach the destination in the following order
\(C \to A \to B \to D\)
Answer the following questions
a. If the displacement-time graph is plotted for each cyclist, which will be having highest slope
b. Arrange the cyclist in decreasing order of velocity
Difference between Speed and Velocity? Answer
Explain why is difficult for a fireman to hold a house, which ejects large amounts of water at a high velocity?
Question 13. Differentiate between uniform acceleration and non uniform acceleration? Define one Newton.
Question 14. What happens when we accidentally step on a peel of banana? Explain with reference to Newton’s law of motion.
This conceptual questions of physics class 9 chapter 8 is prepared keeping in mind the latest syllabus of CBSE . This has been designed in a way to improve the academic performance of the students. If you find mistakes , please do provide the feedback on the mail. You can also find the pdf for download Download this assignment as pdf
link to this page by copying the following text Also Read