EASY
8th CBSE
IMPORTANT
Earn 100

Why do aircraft have a streamlined shape?

Important Questions on Friction

EASY
8th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 12 - Friction>EXERCISES>Q 4
Can friction be totally eliminated? Give reasons.
EASY
8th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 12 - Friction>EXERCISES>Q 1
Explain the three types of friction, giving examples for each.
EASY
8th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 12 - Friction>EXERCISES>Q 2
Explain ways of reducing friction.
EASY
8th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 12 - Friction>EXERCISES>Q 3
Explain how friction is advantageous to us.
EASY
8th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 12 - Friction>HIGHER ORDER THINKING SKILLS>Q 1
Why a bicycle can be slowed down by dragging your feet along the ground?
EASY
8th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 12 - Friction>HIGHER ORDER THINKING SKILLS>Q 2
By spreading sand on an oil spill on the road, you can prevent vehicles from skidding-why?
EASY
8th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 12 - Friction>HIGHER ORDER THINKING SKILLS>Q 3
Why a bowler rubs the cricket ball on his/her cloths during a cricket match?
EASY
8th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 12 - Friction>HIGHER ORDER THINKING SKILLS>A flat piece of wood and a wooden ball having the same mass are placed on the same surface. If they are pushed with the same force turn by turn, which of them will travel further? Why?
A flat piece of wood and a wooden ball having the same mass are placed on the same surface. If they are pushed with the same force turn by turn, which of them will travel further? Why?