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the friction and the motion of the ball both combined
rolling friction, air resistance and gravitational force
The bottom bracket where 3 frame arms meet is supplied with ball or roller bearings which are able to reduce friction very substantially. There are ball or roller bearings also in the gear changing mechanism, in the top and bottom of the "headstock", the front tube into which the handlebar fits, in the pedals, and in the hubs of both wheels.
the friction produced by objects such as wheels or ball bearings is called rolling friction
If there was no friction then the ball would just slide instead of roll
Sliding friction occurs when the players feet rub against the ground and when the ball rubs against the dirt or grass. Fluid friction occurs when the ball hits your bat or when it hits your glove.
it is when friction occurs when moving parts have ball bearings.
anything that has contact with the ground uses friction...pushing of the ground when running, batting, or throwing definitely uses friction. The grip on the ball when pitching and throwing has friction as well.
Drag and friction has a curving effect on a golf ball. The ball may make a curved trajectory as it flies through the air, mostly taking the direction of the wind.
the friction and the motion of the ball both combined
rolling friction, air resistance and gravitational force
rolling an electric ball down a hill with a magnet at the bottom
The bottom bracket where 3 frame arms meet is supplied with ball or roller bearings which are able to reduce friction very substantially. There are ball or roller bearings also in the gear changing mechanism, in the top and bottom of the "headstock", the front tube into which the handlebar fits, in the pedals, and in the hubs of both wheels.
There are several types of friction that influence spin of the ball in tennis. The sliding friction between the ball and the strings, the static friction between the ball and the strings at the grip phase, the static friction between the main and the cross strings, and the sliding friction between the strings.
the friction produced by objects such as wheels or ball bearings is called rolling friction
If there was no friction then the ball would just slide instead of roll
Fushigi Ball