CBSE Class 8 Science Friction MCQs
Refer to CBSE Class 8 Science Friction MCQs provided below available for download in Pdf. The MCQ Questions for Class 8 Science with answers are aligned as per the latest syllabus and exam pattern suggested by CBSE, NCERT and KVS. Multiple Choice Questions for Chapter 12 Friction are an important part of exams for Class 8 Science and if practiced properly can help you to improve your understanding and get higher marks. Refer to more Chapter-wise MCQs for CBSE Class 8 Science and also download more latest study material for all subjects
नीचे दिए गए CBSE कक्षा 8 विज्ञान घर्षण MCQs देखें जो पीडीएफ में डाउनलोड के लिए उपलब्ध हैं। कक्षा 8 विज्ञान के लिए MCQ प्रश्न उत्तर के साथ CBSE, NCERT और KVS द्वारा सुझाए गए नवीनतम पाठ्यक्रम और परीक्षा पैटर्न के अनुसार संरेखित हैं। अध्याय 12 घर्षण के लिए बहुविकल्पीय प्रश्न कक्षा 8 विज्ञान के लिए परीक्षाओं का एक महत्वपूर्ण हिस्सा हैं और यदि ठीक से अभ्यास किया जाए तो आपको अपनी समझ को बेहतर बनाने और उच्च अंक प्राप्त करने में मदद मिल सकती है। CBSE कक्षा 8 विज्ञान के लिए अधिक अध्याय-वार MCQs देखें और सभी विषयों के लिए अधिक नवीनतम अध्ययन सामग्री भी डाउनलोड करें
MCQ for Class 8 Science Chapter 12 Friction
Class 8 Science students should refer to the following multiple-choice questions with answers for Chapter 12 Friction in Class 8.
कक्षा 8 विज्ञान के छात्रों को कक्षा 8 में अध्याय 12 घर्षण के उत्तर के साथ निम्नलिखित बहुविकल्पीय प्रश्नों का संदर्भ लेना चाहिए।
Chapter 12 Friction MCQ Questions Class 8 Science with Answers
Question. It is difficult to walk on an oily floor because
a) Floor gets spoiled
b) There is more resistance
c) Force of friction is high
d) Force of friction is very less
Answer: D
Question. Spring balance is a device used for measuring the _____________ acting on an object.
a) mass
b) pressure
c) force
d) None of the above
Answer: C
Question. A matchstick struck on a matchbox catches fire easily because
a) Friction may cause fire
b) Of chemical reaction
c) Force heated the match stick
d) None of the above
Answer: A
Question. Tyres are treaded to
a) look good
b) Increase friction
c) increase its longivity
d) increase weight of the tyre
Answer: B
Question. Lubricants are substances which
a) Increase friction
b) Are used to light fire
c) Reduce friction
d) Are used to put out a fire
Answer: C
Question. Sliding friction is _________ than / to rolling friction
a) smaller
b) greater
c) equal
d) None of the above
Answer: A
Question. The frictional force exerted by fluids is also called ______
a) drug
b) drag
c) drop
d) drown
Answer: B
Question. Four
children were asked to arrange forces due to rolling, static and
sliding frictions in an increasing order. Their arrangements are given
below. Choose the correct arrangement.
a) Rolling, Static, Sliding
b) Static, Rolling, Sliding
c) Rolling, sliding, static
d) Sliding, Static, Rolling
Answer: C
Question. A boat or an aeroplane has a pointed or tapering front / head. Why?
a) To increase the friction of fluid
b) To reduce the friction of fluid
c) To look good
d) For no reason
Answer: B
Question. The sole of the shoes becomes plain after wearing it for several months. The reason is
a) Wearing out due to friction
b) Wearing out due to no friction
c) Sole is of bad quality
d) None of the above
Answer: A
Question: The shape of the airplane is like a
a) Bird
b) Car
c) Dog
d) All
Answer: A
Question: Rolling friction is smaller than?
a) All of these
b) Sliding friction
c) Static friction
d) Fluid friction
Answer: A
Question: Lubricants ________
a) Reduce friction
b) Increase friction
c) Increase friction and reduce friction
d) None of the options
Answer: A
Question: Friction is a /an_______
a) Evil and foe
b) Evil
c) Foe
d) None of the options
Answer: A
Question: On what force of friction depends?
a) All of these
b) Smoothness of surface
c) Roughness of surface
d) Inclination of surface
Answer: A
Question: Fluid are____
a) Gases and liquids both
b) Gases
c) Liquids
d) None of the options
Answer: A
Question: What kind of substances are known as lubricants
a) Decrease friction
b) Increase friction
c) Increase or decrease friction
d) None of the options
Answer: A
Question: Friction is a __________
a) Contact force
b) Non-contact force
c) Magnetic force
d) None of the options
Answer: A
Question: Which one of these characteristics does a smooth surface has?
a) Less frictional force
b) More frictional force
c) Sometimes less and sometimes more force
d) All of these
Answer: A
Question: Complete the sentence. Friction always ____________
a) Opposes the motion
b) Helps the motion
c) Helps the motion and opposes the motion
d) None of the options
Answer: A
(a) drag
(b) sliding friction
(c) rolling friction
(d) none of these
(a) Less frictional force
(b) More frictional force
(c) Sometimes less and sometimes more force
(d) All of above
(a) Increase friction
(b) Reduce friction
(c) Both (a) and (b)
(d) None
(a) less frictional force
(b) more frictional force
(c) sometimes less and sometimes more force
(d) all the above
(a) It enables drawing to be made on paper
(b) It enables fallen things to be picked up
(c) It enables rubber pads to be rubbed off
(d) It enables vehicles to move on ground
(a) Muddy
(b) Polished marble surface
(c) Cemented surface
(d) Brick surface
(a) Contact force
(b) Non-contact force
(c) Electrostatic force
(d) Magnetic force
(a) Rubbing of sand paper on glazed paper
(b) Rubbing of sand paper on glass table top
(c) Rubbing of sand paper on aluminium frame
(d) Rubbing of sand paper on sand paper
(a) It is a non-contact force
(b) It works on only resting body
(c) It works opposite to direction of motion
(d) It can change the direction of motion
(a) favours
(b) opposes
(c) is
(d) none of these