MEDIUM
8th Punjab Board
IMPORTANT
Earn 100

You spill a bucket of soapy water on a marble floor accidentally. Would it make it easier or more difficult for you to walk on the floor? Why?

Important Questions on Friction

MEDIUM
8th Punjab Board
IMPORTANT
Science>Chapter 12 - Friction>Exercises>Q 6
Explain why sportsmen use shoes with spikes.
EASY
8th Punjab Board
IMPORTANT
Science>Chapter 12 - Friction>Exercises>Q 7
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 Punjab Board
IMPORTANT
Science>Chapter 12 - Friction>Exercises>Q 8
Explain why sliding friction is less than static friction.
EASY
8th Punjab Board
IMPORTANT
Science>Chapter 12 - Friction>Exercises>Q 9
Give examples to show that friction is both a friend and a foe.
MEDIUM
8th Punjab Board
IMPORTANT
Science>Chapter 12 - Friction>Exercises>Q 10
Explain why objects moving in fluids must have special shapes.