Class 8 Science

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 2022-2023 CBSE Board and State Board Questions No: 2

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 2022-2023 CBSE Board and State Board Questions No: 1 Part: e

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 2022-2023 CBSE Board and State Board Questions No: 1 Part: d

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 2022-2023 CBSE Board and State Board Questions No: 1 Part: c

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 2022-2023 CBSE Board and State Board Questions No: 1 Part: b

Jhalak

Asked: November 22, 2020In: Class 8 Science

Friction opposes the _____________ between the surfaces in contact with each other.

NCERT Solutions for Class 8 Science Chapter 121 Important NCERT Questions 8th Chapter 12 Friction NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 1 Part: 1

Poll

Falak

Asked: November 22, 2020In: Class 8 Science

When we press the bulb of a dropper with its nozzle kept in water, air in the dropper is seen to escape in the form of bubbles. Once we release the pressure on the bulb, water gets filled in the dropper. The rise of water in the dropper is due to

NCERT Solutions for Class 8 Science Chapter 11 Important NCERT Questions 8th Chapter 11 Force and Pressure NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 10

Falak

Asked: November 22, 2020In: Class 8 Science

A rocket has been fired upwards to launch a satellite in its orbit. Name the two forces acting on the rocket immediately after leaving the launching pad.

NCERT Solutions for Class 8 Science Chapter 11 Important NCERT Questions 8th Chapter 11 Force and Pressure NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 9

Falak

Asked: November 22, 2020In: Class 8 Science

Name the forces acting on a plastic bucket containing water held above ground level in your hand. Discuss why the forces acting on the bucket do not bring a change in its state of motion.

NCERT Solutions for Class 8 Science Chapter 11 Important NCERT Questions 8th Chapter 11 Force and Pressure NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 8

Falak

Asked: November 22, 2020In: Class 8 Science

An inflated balloon was pressed against a wall after it has been rubbed with a piece of synthetic cloth. It was found that the balloon sticks to the wall. What force might be responsible for the attraction between the balloon and the wall?

NCERT Solutions for Class 8 Science Chapter 11 Important NCERT Questions 8th Chapter 11 Force and Pressure NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 7

Category: 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.

Sliding friction is ___________ than the static friction.

Sprinkling of powder on the carrom board ________ friction.

Friction produces __________.

Friction depends on the _____________ of surfaces.

Friction opposes the _____________ between the surfaces in contact with each other.

When we press the bulb of a dropper with its nozzle kept in water, air in the dropper is seen to escape in the form of bubbles. Once we release the pressure on the bulb, water gets filled in the dropper. The rise of water in the dropper is due to

A rocket has been fired upwards to launch a satellite in its orbit. Name the two forces acting on the rocket immediately after leaving the launching pad.

Name the forces acting on a plastic bucket containing water held above ground level in your hand. Discuss why the forces acting on the bucket do not bring a change in its state of motion.

An inflated balloon was pressed against a wall after it has been rubbed with a piece of synthetic cloth. It was found that the balloon sticks to the wall. What force might be responsible for the attraction between the balloon and the wall?

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Category: Class 8 Science

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