Subject Experts Solutions for Chapter: Friction, Exercise 2: Chapter Review

Author:Subject Experts

Subject Experts Science Solutions for Exercise - Subject Experts Solutions for Chapter: Friction, Exercise 2: Chapter Review

Attempt the practice questions on Chapter 12: Friction, Exercise 2: Chapter Review with hints and solutions to strengthen your understanding. GALAXY SCIENCE IN EVERYDAY LIFE solutions are prepared by Experienced Embibe Experts.

Questions from Subject Experts Solutions for Chapter: Friction, Exercise 2: Chapter Review with Hints & Solutions

HARD
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 12 - Friction>Chapter Review>Q 3

Sliding friction is always somewhat greater than static friction.

EASY
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 12 - Friction>Chapter Review>Q 4

Air and fluids do not cause any friction. 

MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 12 - Friction>Chapter Review>Q 5

Friction is desirable as well as undesirable. 

MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 12 - Friction>Chapter Review>Q 1

What type of force is the frictional force? 
 

MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 12 - Friction>Chapter Review>Q 2

What type of friction is created when an object starts moving from its state of rest?

HARD
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 12 - Friction>Chapter Review>Q 3

What is lubrication used for? 

MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 12 - Friction>Chapter Review>Q 4

What is the shape of a ship that reduces the frictional force created by air and water?

HARD
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 12 - Friction>Chapter Review>Q 1

How is force of friction a contact force?