Advertisements
Advertisements
प्रश्न
Select the correct alternative.
Friction is increased if
पर्याय
an oil is sprayed
the surfaces are made wet
the surfaces are made dry
the surfaces are polished
उत्तर
the surfaces are made dry
APPEARS IN
संबंधित प्रश्न
To draw water from a well we have to ______ at the rope.
To move a loaded trolley we have to ______ it.
In the following situation identify the agent exerting the force and the object on which it acts. State the effect of the force in case.
An athlete making a high jump to clear the bar at a certain height.
Fill in the blank.
On pulling a string, its .................. increases.
Name the term used for the push or pull?
Give one example of force as a push
Give one example of force as a pull
State if the following statement is true or false. Correct the statement if it is false.
It is possible that a force applied to an object may not bring any change in it.
Answer the following in short.
Why is magnetic force considered as an action-at-a-distance force?
Solve the crossword puzzle.
Across
1. Type of force which depends upon the roughness of a surface
2. An effect of friction
3. The force of friction caused due to fluids
4. Type of friction acting between two bodies at rest
5. Type of friction which occurs when applied force overcomes static friction
6. A special body design to enable minimum drage Down
