Access the latest CBSE Class 9 Science Force and Laws of Motion Worksheet Set B. We have provided free printable Class 9 Science worksheets in PDF format, specifically designed for Chapter 8 Force and Laws of Motion. These practice sets are prepared by expert teachers following the 2025-26 syllabus and exam patterns issued by CBSE, NCERT, and KVS.
Chapter 8 Force and Laws of Motion Science Practice Worksheet for Class 9
Students should use these Class 9 Science chapter-wise worksheets for daily practice to improve their conceptual understanding. This detailed test papers include important questions and solutions for Chapter 8 Force and Laws of Motion, to help you prepare for school tests and final examination. Regular practice of these Class 9 Science questions will help improve your problem-solving speed and exam accuracy for the 2026 session.
Download Class 9 Science Chapter 8 Force and Laws of Motion Worksheet PDF
Short Answer
Question. An object has moved through a distance. Can it have zero displacement? If yes, support your answer with an example.
Answer : Yes,an object can have zero displacement even when it has moved through a distance.This happens when final position of the object coincides with its initial position. For example,if a person moves around park and stands on place from where he started then here displacement will be zero.
Question. Which of the following is true for displacement?
(a) It cannot be zero.
(b) Its magnitude is greater than the distance travelled by the object.
Answer : None of the statement is true for displacement First statement is false because displacement can be zero. Second statement is also false because displacement is less than or equal to the distance travelled by the object.
Question. Under what condition(s) is the magnitude of average velocity of an object equal to its average speed?
Answer : The magnitude of average velocity of an object is equal to its average speed, only when an object is moving in a straight line.
Question. What does the path of an object look like when it is in uniform motion?
Answer : An object having uniform motion has a straight line path.
Question. When will you say a body is in (i) uniform acceleration? (ii) nonuniform acceleration?
Answer :
(i) A body is said to be in uniform acceleration if it travels in a straight line and its velocity increases or decreases by equal amounts in equal intervals of time.
(ii) A body is said to be in nonuniform acceleration if the rate of change of its velocity is not constant.
Question. A train starting from a railway station and moving with uniform acceleration attains a speed 40 km h−1 in 10 minutes. Find its acceleration.
Answer :
Question. What is the nature of the distance - 'time graphs for uniform and nonuniform motion of an object?
Answer : When the motion is uniform,the distance time graph is a straight line with a slope.
When the motion is non uniform, the distance time graph is not a straight line.It can be any curve.
Question. What can you say about the motion of an object if its speed - 'time graph is a straight line parallel to the time axis?
Answer : If speed time graph is a straight line parallel to the time axis, the object is moving uniformly.
Question. A ball is gently dropped from a height of 20 m. If its velocity increases uniformly at the rate of 10 m s−2, with what velocity will it strike the ground? After what time will it strike the ground?
Answer : Let us assume, the final velocity with which ball will strike the ground be 'v' and time it takes to strike the ground be 't'
Initial Velocity of ball, u =0
Distance or height of fall, s =20 m
Downward acceleration, a =10 m s-2
As we know, 2as =v2-u2
v2 = 2as+ u2
= 2 x 10 x 20 + 0
= 400
∴ Final velocity of ball, v = 20 ms-1
t = (v-u)/a
∴Time taken by the ball to strike = (20-0)/10
= 20/10
= 2 seconds
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Important Practice Resources for Class 9 Science
Chapter 8 Force and Laws of Motion CBSE Class 9 Science Worksheet
Students can use the Chapter 8 Force and Laws of Motion practice sheet provided above to prepare for their upcoming school tests. This solved questions and answers follow the latest CBSE syllabus for Class 9 Science. You can easily download the PDF format and solve these questions every day to improve your marks. Our expert teachers have made these from the most important topics that are always asked in your exams to help you get more marks in exams.
NCERT Based Questions and Solutions for Chapter 8 Force and Laws of Motion
Our expert team has used the official NCERT book for Class 9 Science to create this practice material for students. After solving the questions our teachers have also suggested to study the NCERT solutions which will help you to understand the best way to solve problems in Science. You can get all this study material for free on studiestoday.com.
Extra Practice for Science
To get the best results in Class 9, students should try the Science MCQ Test for this chapter. We have also provided printable assignments for Class 9 Science on our website. Regular practice will help you feel more confident and get higher marks in CBSE examinations.
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