Advertisements
Advertisements
Question
Tick the most appropriate answer.
If you pour some oil onto a floor, the friction would
Options
increase
decrease
remain the same
none of these
Advertisements
Solution
decrease
APPEARS IN
RELATED QUESTIONS
Write true or false.
Liquids offer more friction than the gases.
State two factors which directly affect the force of friction.
The eraser gets smaller and smaller as you use it more and more. Explain the reason.
Define static friction
Answer the following.
What do you understand by a force?
Answer the following in detail.
What are the various effects of force? State one example of each.
Fill in the blank.
Bicycles use ...................... to reduce friction between the pedals and the crank
Answer the following in short.
How can sliding friction be changed into rolling friction easily?
Whenever the surfaces in contact tend to move or move with respect to each other, the force of friction comes into play
We have two identical metal sheets. One of them is rubbed with sand paper and the other with ordinary paper. The one rubbed with sand paper shines more than the other. Give reason.
