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It is impossible to create a frictionless surface upon which a ball will roll without stopping. This is firstly because no two surfaces have a fritional constant of zero in that there is no surface which is perfectly smooth. Also, even if there were a true frictionless surface, a ball would not be able to roll along it forever due to air resistance.
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Does a ball need friction to roll?
sure a ball needs friction to roll. the logic behind this being, that the friction which generally retards a body's motion plays differently in this case, it acts tangentially in backward direction at the point of its contact with the rolling surface, so in this way , it generates a rolling motion
What happens when a ball is rolled on a rough surface?
When a ball is rolled on a rough surface, the friction between the ball and the surface causes the ball to slow down more quickly compared to when rolled on a smooth surface. This friction converts some of the kinetic energy of the ball into heat, resulting in the ball losing speed and coming to a stop sooner.
What make a moving ball come to rest in a while even if no force is applied?
A moving ball eventually comes to rest due to friction between its surface and the surface it's rolling on. As the ball moves, friction gradually slows it down until it comes to a stop. Without any external force acting on the ball, it will continue to slow down and eventually stop due to this frictional force.
How does a ball reduce friction?
A ball can reduce friction by converting sliding friction into rolling friction. When a ball rolls on a surface, the point of contact continuously changes, reducing the overall friction experienced. Additionally, the round shape of a ball helps to distribute the force more evenly, further reducing friction.
How does finction cause a ball to slow down?
It does because when the ball hits the surface and the surface magnified would look rugged anyways when the ball hits the surface the friction pulls on the ball causind it to slow down and if you roll a brick down a hill you will find it will stop easier than a ball smooth surface
What happen when you roll a ball on a rough surface?
When you roll a ball on a rough surface, the friction between the ball and the surface will slow it down more than if it was on a smooth surface. The rough surface causes the ball to lose some of its kinetic energy as heat due to friction, resulting in a shorter overall distance traveled compared to rolling on a smooth surface.
How do ball bearings reduce friction in machinery?
Ball bearings reduce friction in machinery by presenting a minimal surface area. This is because only very small areas of each ball are in contact with the surface. Therefore,the ball bearing is indeed a very useful thing for machinery to work.
Do balls have friction on dry soil?
Yes, balls experience friction on dry soil as they roll due to the interaction between the ball's surface and the soil particles. The amount of friction depends on factors like the type of ball, the surface texture of the ball, and the properties of the soil.
Will a ball slow down on a level surface without friction?
An object in motion will stay in motion unless and until acted upon by a force like friction. So absent ALL friction, no the ball will not slow. This is part of the laws of Thermodynamics. However, if there is air friction in play, with a long course of time(of course which depends on the velocity with which the ball is moving), the pressure exerted in opposite direction by the ball, at one fine movement should make the ball stop. If considered in vacuum, then again as per Newtons laws, the ball should not stop as there would be no action by any external agency.
Does the speed of a ball rolling down a ramp change with the kind of surfacce on which the ball is rolling?
Yes, the speed of a ball rolling down a ramp can change with the type of surface it is rolling on due to factors such as friction. A smoother surface will likely have less friction, allowing the ball to roll faster, while a rough surface will create more friction, slowing the ball down.
What force would stop a ball from rolling?
Friction is the force that would stop a ball from rolling. As the ball interacts with the surface it is rolling on, friction counteracts the motion by creating resistance. The type of surface and the smoothness of the ball will influence the amount of friction and, therefore, the stopping force.
What force is not acting upon a ball that is thrown in the air?
The force of friction is not acting upon a ball that is thrown in the air. Friction is a force that opposes motion, but when a ball is thrown in the air, there is no surface contact for friction to act upon.
