Define me Friction ?
For 9th class fast please
Answers
Fully Explained ⤵⤵⤵⤵⤵
⭐friction is a force.
⭐Friction is a force that resists the relative motion between two objects or materials.
⭐The causes of this resistive force are molecular adhesion, surface roughness, and deformations.
✨Friction is a force that holds back the movement of a sliding object. That's it. Friction is just that simple.
➡The force acts in the opposite direction to the way an object wants to slide.
⭐Examples :--
▶Rubbing both hands together to create heat.
▶ A sled sliding across snow or ice.
⭐There are four types of friction:
▶static,
▶sliding,
▶rolling,
▶ fluid friction.
✨ Static, sliding, and rolling friction occur between solid surfaces.
✨ Static friction is strongest, amongst all
⭕followed by sliding friction, and then rolling friction, which is the weakest.
✨ Fluid friction occurs in fluids
➡That are liquids or gases.
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Answer - - _
The force that makes it difficult for one object to slide along the surface of another or to move through a liquid or gas:
When you rub your hands together the friction produces heat.