When a fire stone is rubbed on a hard and ruff surface we get fire .this is
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The answer of your question is" result the friction".
Friction is actually a force which result in the resistance between different substance of layer. Friction usually result in the production of heat which cause by the rubbing action. The roughness of surface is directly proportional to friction which means more the roughness, more will be the friction and vice versa for inverse case.And in turn the increased friction also causes the increased heat thus the fire is produced as the result of rubbing of stone with the hard and rough surface.
Friction is actually a force which result in the resistance between different substance of layer. Friction usually result in the production of heat which cause by the rubbing action. The roughness of surface is directly proportional to friction which means more the roughness, more will be the friction and vice versa for inverse case.And in turn the increased friction also causes the increased heat thus the fire is produced as the result of rubbing of stone with the hard and rough surface.
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When a stone is rubbed on a hard or rough surface, a force called friction is produced between the stone and the surface due to which we get fire. Friction is produced when we overcome the resistance of one object rubbed against another. This frictional force opposes the direction of motion of an object. If we simply place the stone on the rough surface, no friction is produced because there would be no resistance. It is produced only if we rub the stone on the rough surface.
Friction largely depends on the roughness of the surface. The more rough the surface, the more will be the force of friction and eventually more fire is produced.
Friction largely depends on the roughness of the surface. The more rough the surface, the more will be the force of friction and eventually more fire is produced.
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