Advertisements
Advertisements
Question
Fill in the blank.
Sliding friction and rolling friction are types of .................. friction.
Advertisements
Solution
Sliding friction and rolling friction are types of kinetic friction.
APPEARS IN
RELATED QUESTIONS
Friction opposes the ______ between the surfaces in contact with each other.
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.
Define sliding friction
Arrange the following in descending order:
- static friction
- sliding friction and
- rolling friction?
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.
Like charges always attract each other.
Answer the following in detail.
Describe three different ways by which friction can be increased to help us in various situations?
Explain how friction can be minimized.
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.
