What happens when two billiard balls the same mass collide?

It will have transferred all of its kinetic energy to the other ball, which will move forward with the same velocity that the cue ball had before the collision. Collisions can only be elastic if the masses are equal. The masses of billiard balls are the same, which can make some collisions close to elastic.

What stays the same when a rolling pool ball stops upon hitting another ball at rest?

In this way, momentum is conserved, so that for any amount of momentum that Ball 2 gains, Ball 1 loses. That’s just Newton’s third law. Since they have the same mass, Ball 1 will decelerate at the same rate Ball 2 accelerates.

What happens to the pool ball that was at rest when a moving ball collides with it why?

At impact, the cue ball stops, but transfers all of its momentum and kinetic energy to the other ball, resulting in the hit ball rolling with the initial speed of the cue ball. In an inelastic collision, momentum is conserved, but the total kinetic energy of the system is not conserved.

What is a golden break in pool?

The break consists of hitting the 1-ball, with the attempt to pocket any ball. If the nine-ball is successfully potted, the player automatically wins the rack. This is sometimes known as a golden break . This is often called a break and run , or running the rack.

Are all billiard balls the same mass?

All standard pool balls have a diameter of 2 1/4″ and weigh roughly 6 ounces. Most c ue balls are the exact same. They have been the same weight and size for a long time. If they are different, then they probably have a diameter of 2 3/8″ and weight only a little more than 6 ounces.

Why does a billiard ball stop short when it collides?

A billiard ball will stop short when it collides head-on with a ball at rest. The ball cannot stop short, however, it the collision is not exactly head on–that is, if the second ball moves at an angle to the path of the first. Momentum is ALWAYS conserved.

When two billiard balls collide which is always conserved?

Physics Of Billiards – Ball Collision Therefore, for simplicity one can assume that for collisions involving billiard balls, the collision is perfectly elastic. For collisions between balls, momentum is always conserved (just like in any other collision).

How does the game of pool demonstrate Newton’s 2nd law?

Newton’s second law of physical motion helps with break shots and a variety of other billiards tools. Since net force exerted upon an object is equal to its mass times its acceleration, with acceleration and force both being vector quantities, the direction of acceleration is the direction of force.

What is the motion of billiard ball?

The ball, as we mentioned above, will have a spin and a sliding motion at the very start. the velocity of P. i.e. the moment when the sliding ceases and the ball has a pure rolling motion where v = Rω.. if about energy you are asking then it will be kinetic energy . …

What happens if you scratch on 9 Ball?

The 9-ball is pocketed. This is a win unless the player scratches, in which case the 9-ball (any other available high numbered ball is adequate) is spotted and the turn passes to the opponent with ball-in-hand anywhere on the table.

What happens if you hit a ball out of order in 9 ball?

“Wrong Ball First” and “No Rail” fouls are suspended for the shot. If no foul is committed on a push out, the other player may play the next shot, or may pass the shot to the opponent. A player is entitled to continue shooting until he fails to legally pocket a ball.