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Home/Class 8/Class 8 Science/Page 39

Category: Class 8 Science

NCERT Solutions and important questions for Class 8 science for CBSE 2020-2021.

Tiwari Academy Discussion Latest Questions

Jhalak
Jhalak
Asked: November 22, 2020In: Class 8 Science

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?

NCERT Solutions for Class 8 Science Chapter 12 Important NCERT Questions 8th Chapter 12 Friction NCERT Books for Session 2020-2021 CBSE Board and State Board Questions No: 7

2020-2021cbsechapter 12class 8 scienceclass8frictionncertscience
  • 1 1 Answer
  • 71 Views
  • 19 Votes
Answer
Jhalak
Jhalak
Asked: November 22, 2020In: Class 8 Science

Explain why sportsmen use shoes with spikes.

NCERT Solutions for Class 8 Science Chapter 12 Important NCERT Questions 8th Chapter 12 Friction NCERT Books for Session 2020-2021 CBSE Board and State Board Questions No: 6

2020-2021cbsechapter 12class 8 scienceclass8frictionncertscience
  • 1 1 Answer
  • 108 Views
  • 17 Votes
Answer
Jhalak
Jhalak
Asked: November 22, 2020In: Class 8 Science

You spill a bucket of soapy water on a marble floor accidently. Would it make it easier or more difficult for you to walk on the floor? Why?

NCERT Solutions for Class 8 Science Chapter 12 Important NCERT Questions 8th Chapter 12 Friction NCERT Books for Session 2020-2021 CBSE Board and State Board Questions No: 5

2020-2021cbsechapter 12class 8 scienceclass8ncertscience
  • 1 1 Answer
  • 69 Views
  • 18 Votes
Answer
Jhalak
Poll
Jhalak
Asked: November 22, 2020In: Class 8 Science

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:

NCERT Solutions for Class 8 Science Chapter 12 Important NCERT Questions 8th Chapter 12 Friction NCERT Books for Session 2020-2021 CBSE Board and State Board Questions No: 3

2020-2021cbsechapter 12class 8 scienceclass8frictionncertscience
  • 1 1 Answer
  • 58 Views
  • 17 Votes
Answer
Jhalak
Poll
Jhalak
Asked: November 22, 2020In: Class 8 Science

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.

NCERT Solutions for Class 8 Science Chapter 121 Important NCERT Questions 8th Chapter 12 Friction NCERT Books for Session 2020-2021 CBSE Board and State Board Questions No: 2

2020-2021cbsechapter 12class 8 scienceclass8frictionncertscience
  • 1 1 Answer
  • 116 Views
  • 18 Votes
Answer
Jhalak
Jhalak
Asked: November 22, 2020In: Class 8 Science

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.

NCERT Solutions for Class 8 Science Chapter 121 Important NCERT Questions 8th Chapter 12 Friction NCERT Books for Session 2020-2021 CBSE Board and State Board Questions No: 2

cbsechapter 12class 8 scienceclass8frictionncertscience
  • 1 1 Answer
  • 78 Views
  • 17 Votes
Answer
Jhalak
Jhalak
Asked: November 22, 2020In: Class 8 Science

Sliding friction is ___________ than the static friction.

NCERT Solutions for Class 8 Science Chapter 121 Important NCERT Questions 8th Chapter 12 Friction NCERT Books for Session 2020-2021 CBSE Board and State Board Questions No: 1 Part: e

2020-2021cbsechapter 12class 8 scienceclass8frictionncertscience
  • 1 1 Answer
  • 65 Views
  • 16 Votes
Answer
Jhalak
Jhalak
Asked: November 22, 2020In: Class 8 Science

Sprinkling of powder on the carrom board ________ friction.

NCERT Solutions for Class 8 Science Chapter 121 Important NCERT Questions 8th Chapter 12 Friction NCERT Books for Session 2020-2021 CBSE Board and State Board Questions No: 1 Part: d

2020-2021cbsechapter 12class 8 scienceclass8frictionncertscience
  • 1 1 Answer
  • 265 Views
  • 18 Votes
Answer
Jhalak
Jhalak
Asked: November 22, 2020In: Class 8 Science

Friction produces __________.

NCERT Solutions for Class 8 Science Chapter 121 Important NCERT Questions 8th Chapter 12 Friction NCERT Books for Session 2020-2021 CBSE Board and State Board Questions No: 1 Part: c

2020-2021cbsechapter 12class 8 scienceclass8frictionncertscience
  • 1 1 Answer
  • 109 Views
  • 15 Votes
Answer
Jhalak
Jhalak
Asked: November 22, 2020In: Class 8 Science

Friction depends on the _____________ of surfaces.

NCERT Solutions for Class 8 Science Chapter 121 Important NCERT Questions 8th Chapter 12 Friction NCERT Books for Session 2020-2021 CBSE Board and State Board Questions No: 1 Part: b

2020-2021cbsechapter 12class 8 scienceclass8frictionncertscience
  • 1 1 Answer
  • 165 Views
  • 18 Votes
Answer
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