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Chapters
2: Microorganisms : Friend and Foe
3: Coal and Petroleum
4: Combustion and Flame
5: Conservation of Plants and Animals
6: Reproduction in Animals
7: Reaching the Age of Adolescence
8: Force and Pressure
▶ 9: Friction
10: Sound
11: Chemical Effects of Electric Current
12: Some Natural Phenomena
13: Light
![NCERT solutions for Science [English] Class 8 chapter 9 - Friction - Shaalaa.com](/images/science-english-class-8_6:a1e5555c9030490085f2eedec974d08f.jpg "NCERT solutions for Science [English] Class 8 chapter 9 - Friction")
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Solutions for Chapter 9: Friction
Below listed, you can find solutions for Chapter 9 of CBSE NCERT for Science [English] Class 8.
NCERT solutions for Science [English] Class 8 9 Friction Exercises [Page 121]
Fill in the blanks.
Friction opposes the ______ between the surfaces in contact with each other.
Friction depends on the ______ of surfaces.
Friction produces ______.
Sprinkling of powder on the carrom board ______ friction.
Sliding friction is ______ than the static friction.
Four children were asked to arrange forces due to rolling, static and sliding frictions in a decreasing order. Their arrangements are given below. Choose the correct arrangement.
rolling, static, sliding
rolling, sliding, static
static, sliding, rolling
sliding, static, rolling
Alida runs her toy car on dry marble floor, wet marble floor, newspaper and towel spread on the floor. The force of friction acting on the car on different surfaces in increasing order will be
wet marble floor, dry marble floor, newspaper and towel.
newspaper, towel, dry marble floor, wet marble floor.
towel, newspaper, dry marble floor, wet marble floor
wet marble floor, dry marble floor, towel, newspaper
Suppose your writing desk is tilted a little. A book kept on it starts sliding down. Show the direction of frictional force acting on it.
You spill a bucket of soapy water on a marble floor accidentally. Would it make it easier or more difficult for you to walk on the floor? Why?
Explain why sportsmen use shoes with spikes.
Iqbal has to push a lighter box and Seema has to push a similar heavier box on the same floor. Who will have to apply a larger force and why?
Explain why sliding friction is less than static friction.
Give examples to show that friction is both a friend and a foe.
Explain why objects moving in fluids must have special shapes.
Solutions for 9: Friction
NCERT solutions for Science [English] Class 8 chapter 9 - Friction
Shaalaa.com has the CBSE Mathematics Science [English] Class 8 CBSE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. NCERT solutions for Mathematics Science [English] Class 8 CBSE 9 (Friction) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.
Concepts covered in Science [English] Class 8 chapter 9 Friction are Force of Friction, Effects of Friction, Increasing and Reducing Friction, Kinds of Friction, Fluid Friction, Friction - A Necessary Evil, Factors Affecting Friction, Force of Friction, Effects of Friction, Increasing and Reducing Friction, Kinds of Friction, Fluid Friction, Friction - A Necessary Evil, Factors Affecting Friction.
Using NCERT Science [English] Class 8 solutions Friction exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in NCERT Solutions are essential questions that can be asked in the final exam. Maximum CBSE Science [English] Class 8 students prefer NCERT Textbook Solutions to score more in exams.
Get the free view of Chapter 9, Friction Science [English] Class 8 additional questions for Mathematics Science [English] Class 8 CBSE, and you can use Shaalaa.com to keep it handy for your exam preparation.
