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The force that stopped it is a resistive force. Assuming there are no external force acting on it, Friction is the cause.

When the ball is rolled, a force is applied. According to Newton's second law, F=ma, There is an acceleration, thus increase in velocity. At that same instance, when the ball moves, a natural resistive force, friction is produced. However at the next instance, there is no force pushing the ball, since friction exists when there is velocity, there will be a net force against the direction of travel. Thus generating a Deceleration. This happens till the ball comes to a stop, when it do not have any more speed. "Friction exists when there is motion" - this is a derivation from Newtons Third Law of motion. when the ball is moving it applies some force on ground so the ground also applies an equal and opposite force on the rolling ball. But since the vector component of the force on the ball that set it into motion is larger it keeps rolling till the time the Frictional force can bring it to an complete halt.

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15y ago
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11y ago

When a ball is rolling across the floor, there's a force of gravity pulling the ball

down towards the floor, and a reaction force pushing the ball up away from the

floor. Those two forces are equal, so they add up to zero, and that's why the ball

doesn't move up or down.

There's no force pushing the ball forward. No force is necessary to keep a moving

object moving. The force that makes it move ended when the ball left your hand.

There is a small force of friction where the ball rubs against the floor. That's the

force that's slowing the ball down, and will make it stop eventually. If there were

no friction, then the ball would never stop.

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12y ago

No, there are forces of rolling and air friction decelerating it.

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11y ago

That, and the fact that there is a force of friction, which slows it down. If there were NO force on such a ball, its velocity wouldn't change.

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12y ago

Friction or muscular force

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11y ago

friction

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Anonymous

Lvl 1
3y ago

The force that stopped it is a resistive force. Assuming there are no external force acting on it, Friction is the cause.

When the ball is rolled, a force is applied. According to Newton's second law, F=ma, There is an acceleration, thus increase in velocity. At that same instance, when the ball moves, a natural resistive force, friction is produced. However at the next instance, there is no force pushing the ball, since friction exists when there is velocity, there will be a net force against the direction of travel. Thus generating a Deceleration. This happens till the ball comes to a stop, when it do not have any more speed. "Friction exists when there is motion" - this is a derivation from Newtons Third Law of motion. when the ball is moving it applies some force on ground so the ground also applies an equal and opposite force on the rolling ball. But since the vector component of the force on the ball that set it into motion is larger it keeps rolling till the time the Frictional force can bring it to an complete halt.

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Q: What force is when a ball rolls across the floor?
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Why does a ball come to stop when it rolls across a floor?

Friction


A basketball rolling across a flat floor has energy?

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When you roll a ball acrossthe floor it comes to a stop because you are no longer exerting a force on it?

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