MEDIUM
8th CBSE
IMPORTANT
Earn 100

Suppose your writing table (or desk) is tilted a little. A book kept on the table starts sliding down. Draw a diagram to show the direction of force of friction acting on the book.

Important Questions on Friction

MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 12 - Friction>Short Answer Type Questions>Q 38
Which will cause more friction: a rough surface or a smooth surface? Why?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 12 - Friction>Short Answer Type Questions>Q 39
Explain why, sliding friction is less than static friction.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 12 - Friction>Short Answer Type Questions>Q 40
What is meant by ‘rolling friction’?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 12 - Friction>Short Answer Type Questions>Q 41
Iqbal has to push a lighter box and Seema has to push a similar heavier box on the same floor. Who will have to apply a larger force and why?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 12 - Friction>Short Answer Type Questions>Q 42
Why does a man slip when he steps on a banana peel thrown on the road?
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 12 - Friction>Short Answer Type Questions>Q 43
Car wheels often spin on icy roads. Explain why.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 12 - Friction>Short Answer Type Questions>Q 44

Explain why a pencil will write on paper but not on the glass.

EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 12 - Friction>Short Answer Type Questions>Q 44

Explain why it is very difficult to climbing a greasy pole?