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friction

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.

ranjeevkumar
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friction

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  1. What is friction easy definition? Friction is a force that holds back the movement of a sliding object. That's it.Friction is just that simple. You will find friction everywhere that objects come into contact with each other. The force acts in the opposite direction to the way an object wants to slide. What are the 4 types of friction? 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. Fluid frictionoccurs in fluids, which are liquids or gases Is there friction in water? Friction is caused by two physical processes, both of which dissipate energy. ... Anyhow, with water neither of these criteria can be applies because water is a liquid, so you can't assign a friction coefficient to water. Having said this, a film ofwater can be a very effective lubricant. What are 5 examples of friction? Specific examples of sliding friction include: Rubbing both hands together to createheat. A sled sliding across snow or ice What are the two main types of friction? There are two main types of friction, static friction and kinetic friction. Static friction operates between two surfaces that aren't moving relative to each other, while kinetic friction acts between objects in motion How is friction useful? Friction can be useful. ... friction between our shoes and the floor stop us from slipping. friction between tyres and the road stop cars from skidding. frictionbetween the brakes and wheel help bikes and cars to slow down Is there friction in the air? No matter how much force you give an object to make it move, when you stop giving the force, the object will start to slow down. This is because two things slowly reduce the speed of moving objects. These things are air resistance and friction. Airresistance is air pushing against a moving object

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