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Anything that comes into contact with anything else generates friction. However, most of the time, this amount of friction, and the heat it produces, is so small that it is undetectable without extremely precise instruments.
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∙ 13y ago
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What kind of energy is there when a marble rolls across a flat floor?
air resistance and friction
What is the coefficient of friction for marble?
The coefficient of friction is not defined for a single substance, but for two substances that have contact with each other - for example, marble with marble, marble with wood, etc.; it may also vary a lot depending on lubrication. That is, on a wet wet marble floor you'll slip easier - there is less friction - than on a dry one.
Why it is difficult to walk on a wet marble floor?
Water reduces the friction that would normally be present between the marble and your feet.
Give an example of two surfaces that would have a low coefficient of friction?
Friction is the static electricity of two things that are rubbed against each other. Ice would have a low coefficient of friction, as things could easily slide across it. This would also make sense for something like marble, which is very smooth.
Is it possible to predict the speed of a marble after rolling down a ramp if you know the height of the ramp?
no impossible
Does friction cause the average speed of a marble on a floor to decrease?
Yes, because of rolling friction which is a type of friction that any rolling object experiences. This friction adds resistance to roll which will slow the marble and eventually stop.
What are somethings with little friction?
Ice and marble floor have little friction and results in objects slidding as they go across the surface.
What kind of energy is there when a marble rolls across a flat floor?
air resistance and friction
What force slows a marble rolling flat on a surface?
The force that slows a marble rolling on a flat surface is friction. Because friction is what stops something when it's moving. Like when you throw a ball, it starts going slower, and slower, and slower, until it stops. Why? Well you know a force is involved in something like this! But what kind? It's called: Friction!
How could you use a board and different materials found in a classroom to show the effect of friction on a rolling marble?
Every time the marble hits something then it will slow down and eventually stop.
What do you think causes the marbles to stop rolling?
If you were to roll a marble (across what doesn't matter), what slows the object down is called traction.
What causes a marble to roll?
Because of the force of friction pushing against the ball. The only way it could avoid that is if it wasn't rubbing against the ground and was instead closing floating in air, like the puck in air hockey. The air blowing up on it keeps the puck and the table from rubbing against each other and causing friction. :)
What would be the physics principles of a shoebox timer?
air resistance-if you have a part where it's free fallinggravity-pulling the marble down to your obstacles rather than it flying everywhere in your boxrolling friction-marble rolling on obstacles (ex: ramps)
What is the coefficient of friction for marble?
The coefficient of friction is not defined for a single substance, but for two substances that have contact with each other - for example, marble with marble, marble with wood, etc.; it may also vary a lot depending on lubrication. That is, on a wet wet marble floor you'll slip easier - there is less friction - than on a dry one.
Could a marble rolling pin crack in two pieces just from being old?
no marble is strong
What force slows a marble rolling on a flat surface?
Gravity!
What causes a marble to stop moving?
Friction and air resistance.
