MEDIUM
8th CBSE
IMPORTANT
Earn 100

Motor of a motorboat is switched off much ahead of approaching the shore. Why?

Important Questions on Friction

MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 11 - Friction>EXERCISES>Q 10
Earth is moving round the sun without any slowing down. Give the reason behind it by considering the force of friction.
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 11 - Friction>EXERCISES>Q 11
Why do we call friction a 'necessary evil'?
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 11 - Friction>EXERCISES>Q 12
Under what conditions and how do we manage to increase friction under a moving object?
EASY
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 11 - Friction>EXERCISES>Q 1
The force that opposes the motion of a body in contact with the surface of another body is _____.
EASY
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 11 - Friction>EXERCISES>Q 2
Force of friction is a _____.
EASY
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 11 - Friction>EXERCISES>Q 3
Providing wheels on a moving body helps in
EASY
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 11 - Friction>EXERCISES>Q 4
A place where there is no friction is
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 11 - Friction>EXERCISES>Q 1
Wrestlers generally apply oil to their body while wrestling. Why?