Advertisements
Advertisements
प्रश्न
Arrange the following in descending order:
- static friction
- sliding friction and
- rolling friction?
Advertisements
उत्तर
Static friction > Sliding friction > Rolling friction.
APPEARS IN
संबंधित प्रश्न
Give examples to show that friction is both a friend and a foe.
Sometimes, a crackling sound is heard while taking off a sweater during winters. Explain.
Write true or false.
Liquids offer more friction than the gases.
A body needs a force F1 just to start moving on a surface, a force F2 to continue its motion and a force F3 to roll on the surface. What is
- the static friction
- sliding friction and
- rolling friction? State whether F2 is equal, less than or greater than (1) F1 and (2) F3.
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.
Tick the most appropriate answer.
Friction for an object can be reduced by
State if the following statement is true or false. Correct the statement if it is false.
Friction is offered by all the three states of matter.
Answer the following in a word or two or in a sentence.
Name the force responsible for opposing the motion between two bodies in contact.
Answer the following in short.
How can sliding friction be changed into rolling friction easily?
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.
