Advertisements
Advertisements
प्रश्न
How do you feel when you touch a nail immediately after it is hammered into a wooden plank? Why?
Advertisements
उत्तर
The nail becomes hot due to friction. Friction changes kinetic energy to heat.
APPEARS IN
संबंधित प्रश्न
Friction opposes the ______ between the surfaces in contact with each other.
Iqbal has to push a lighter box and Seema has to push a similar heavier box on the same floor. Who will have to apply a larger force and why?
Write true or false.
The sliding friction is more than the rolling friction.
Name the two kinds of forces in nature.
List three ways of reducing friction.
Arrange the following in descending order:
- static friction
- sliding friction and
- rolling friction?
Tick the most appropriate answer.
Force of friction comes into play when a/an
Tick the most appropriate answer.
If you pour some oil onto a floor, the friction would
Explain how friction can be minimized.
Analogy
Objects placed at rest on earth: ______:: Bodies slide over the surface on other body: ______.
