Advertisements
Advertisements
Question
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.
Options
True
False
Advertisements
Solution
True
APPEARS IN
RELATED QUESTIONS
Friction depends on the ______ of surfaces.
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.
Fill in the blank.
Rolling friction offers ............. resistance than sliding friction.
Fill in the blank.
Smoother the surface, ................. is the frictional force offered by it.
Fill in the blank.
Friction is a type of .................
Answer the following in a word or two or in a sentence.
Name a method used to reduce friction.
Answer the following in short.
Define rolling friction and give an example where rolling. friction comes into play.
Rolling friction is slightly greater than sliding friction.
Complete the analogy.
Knot in a thread : _____ friction : : Ball bearing : _____ friction
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.
