Chhattisgarh Board Solutions for Chapter: Friction, Exercise 3: QUESTIONS FOR PRACTICE

Author:Chhattisgarh Board

Chhattisgarh Board Science & Technology Solutions for Exercise - Chhattisgarh Board Solutions for Chapter: Friction, Exercise 3: QUESTIONS FOR PRACTICE

Attempt the practice questions on Chapter 14: Friction, Exercise 3: QUESTIONS FOR PRACTICE with hints and solutions to strengthen your understanding. Science & Technology Class - VIII solutions are prepared by Experienced Embibe Experts.

Questions from Chhattisgarh Board Solutions for Chapter: Friction, Exercise 3: QUESTIONS FOR PRACTICE with Hints & Solutions

EASY
8th Chhattisgarh Board
IMPORTANT

Sprinkling of powder on the carrom board _____ friction.

EASY
8th Chhattisgarh Board
IMPORTANT

Sliding friction is _____ (lesser/ greater) than the static friction.

MEDIUM
8th Chhattisgarh Board
IMPORTANT

Aabida 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 - 

MEDIUM
8th Chhattisgarh Board
IMPORTANT

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.

MEDIUM
8th Chhattisgarh Board
IMPORTANT

Would it be easier or more difficult for you to walk on the floor of soapy water? Give reason in support of your answer.

MEDIUM
8th Chhattisgarh Board
IMPORTANT

Give examples to show that friction is both a friend and a foe.

MEDIUM
8th Chhattisgarh Board
IMPORTANT

Explain why objects moving in fluids must have special shapes.

MEDIUM
8th Chhattisgarh Board
IMPORTANT

Suppose you are outside your home and an earthquake strikes. What precautions would you take to protect yourself ?