# Why did the ball roll when laid on the floor?

Friction – the force that is preventing the ball from moving on and on and on. “When you roll a ball on the ground, the electrons in the atoms on the surface of the ground push against the electrons in the atoms on the surface of your ball that is touching the ground.

## Why do basketball players let the ball roll?

Why do basketball players let the ball roll? Basketball players let the ball roll down the court because of clock management, a team will do this to save time on the game clock. … The more possessions this can be done the more time that is saved instead of wasted from dribbling the basketball up the court.

## What happened to the ball that was rolled on the ground?

When we roll a ball on the ground, the electrons on the surface of the ground in the atoms press against the electrons that hit the ground in the atoms on the surface of our ball. A rolling ball ceases when its motion is resisted by the surface on which it moves. A rolling ball, due to friction, ceases.

## Why does a ball roll instead of slide?

First – when the ball is still slipping, the relative motion of the ground and ball causes a force on the ball which (a) slows down the center of mass and (b) increases the angular speed. Once the ball rolls without slipping this force disappears.

## What forces act on a rolling ball?

The forces on a rolling ball include a horizontal friction force, F , and the normal reaction force, N , acting a distance S ahead of the center of the ball.

### What caused the rolling ball to stop when there is no one to push it continuously?

A rolling ball stops rolling for the same basic reason that if you slide a book across the floor, it will eventually stop: there is friction between the floor and the book. … The friction force acts in the opposite direction to the motion of the ball, slowing it and eventually stopping it. You may also read,

### What stops a ball from rolling?

When you roll a ball on the ground, the electrons in the atoms on the surface of the ground push against the electrons in the atoms on the surface of your ball that is touching the ground. A rolling ball stops because the surface on which it rolls resists its motion. A rolling ball stops because of friction. Check the answer of

### Can you roll the ball in NBA?

Actually yes. During a scramble for a rebound, the ball is laying on the floor. Player A pushes the ball, rolling it away from the group on the floor, then picks it up and proceeds to dribble the ball away.

### Can you pick up the ball in basketball?

The pivot foot can be picked up, but may not come back to the floor until after the ball has been released for a shot or pass. The exception to this is the jump stop, which you note in the NCAA rule. You’re right, it would be illegal based on the pivot foot rule, except for the rule which allows it. Read:

### What made the ball roll?

When you roll a ball on the ground, the electrons in the atoms on the surface of the ground push against the electrons in the atoms on the surface of your ball that is touching the ground.

### Is sliding faster than rolling?

Since the sliding object has no angular velocity, its linear velocity is greater than that of the rolling object, and it reaches the bottom of the track faster.

### Can a ball roll forever?

Whenever two bodies undergo relative motion, there comes an existance of kinetic friction. And as friction resists the motion. So due to this friction, velocity of the ball will become zero and the ball will come in its intial rest position. Due to “Kinetic Friction” ball does not roll forever.

### When you roll a ball across the floor it comes to a stop?

The reason a moving object slows down is that its force of motion gradually runs out. the ground exerts against his foot. When you roll a ball across the floor, it comes to a stop because you are no longer exerting a force on it.

### Is the force necessary to keep the ball rolling?

In the absence of any forces, no force is required to keep an object moving. An object (such as a ball) tossed in the earth’s atmosphere slows down because of air resistance (a force).

### What are 3 types of forces?

Contact ForcesAction-at-a-Distance Forces
Frictional ForceGravitational Force
Tension ForceElectrical Force
Normal ForceMagnetic Force
Air Resistance Force

### What are 2 examples of balanced forces?

• Hanging objects. The forces on this hanging crate are equal in size but act in opposite directions. …
• Floating in water. Objects float in water when their weight is balanced by the upthrust from the water. …
• Standing on the ground.