Increasing order of frictional force
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Answer:
The force of friction acting on the car on different surfaces in increasing order will be :
Wet marble floor, dry marble floor, newspaper and towel.
Newspaper, towel, dry marble floor, wet marble floor.
Towel, newspaper, dry marble floor, wet marble floor.
Wet marble floor, dry marble floor, towel, newspaper.
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Answer:
The force of friction acting on the car on different surfaces in increasing order will be : Wet marble floor, dry marble floor, newspaper and towel. Newspaper, towel, dry marble floor, wet marble floor. Towel, newspaper, dry marble floor, wet marble floor. Wet marble floor, dry marble floor, towel, newspaper.Friction occurs because no surface is perfectly smooth. Rougher surfaces have more friction between them. Heavier objects also have more friction because they press together with greater force. Friction produces heat because it causes the molecules on rubbing surfaces to move faster and have more energy.There are four types of friction: static, sliding, rolling, and fluid friction. Static, sliding, and rolling friction occur between solid surfaces. Static friction is strongest, followed by sliding friction, and then rolling friction, which is weakest.Friction plays an important part in many everyday processes. For instance, when two objects rub together, friction causes some of the energy of motion to be converted into heat. This is why rubbing two sticks together will eventually produce a fire.