1. Reduces its speed: Friction acts as a force that opposes motion. This means it always works against the direction of the object's movement, slowing it down. Think of a car braking, the brakes create friction which slows the wheels down.
2. Generates heat: Friction causes the surfaces in contact to rub against each other, creating heat. This is why rubbing your hands together warms them up.
3. Can cause wear and tear: Over time, friction can wear away the surfaces involved. Imagine rubbing two pieces of sandpaper together – they will eventually wear down. This wear and tear is why we need to replace things like car tires or brake pads.
