Advertisements
Advertisements
Question
Fill in the blank.
Rolling friction offers ............. resistance than sliding friction.
Solution
Rolling friction offers less resistance than sliding friction.
APPEARS IN
RELATED QUESTIONS
Friction opposes the ______ between the surfaces in contact with each other.
Sometimes, a crackling sound is heard while taking off a sweater during winters. Explain.
Give three examples to illustrate that friction is a necessary evil.
Define static friction
State if the following statement is true or false. Correct the statement if it is false.
If two forces acting in opposite directions on a body arc of equal magnitude, then the body will not move.
Fill in the blank.
Friction depends upon the ............... of an object.
Answer the following in short.
Define rolling friction and give an example where rolling. friction comes into play.
Answer the following in short.
How can sliding friction be changed into rolling friction easily?
How do you feel when you touch a nail immediately after it is hammered into a wooden plank? Why?
Assertion: There is a danger of a vehicle skidding on a wet road.
Reason: The tires of the vehicle lose their grip on the road due to an increase in friction due to the presence of water on the road.
