What is the meaning cue ball?

What is the meaning cue ball?

cue ball. noun. : the ball a player strikes with the cue in billiards or pool.

Is there change in momentum of the cue ball?

Depending on where the cue ball is hit, you transfer both translational and rotational kinetic energy. Once the cue ball makes contact with another ball, it experiences an elastic collision, where there is a change in momentum and kinetic energy.

Are pool balls elastic or inelastic?

When two billiards balls collide, the bump is almost elastic. An elastic collision is one in which the kinetic energy of the system is conserved before and after the collision.

What is the kinetic energy of a pool ball?

The kinetic energy of a rolling billiard ball is given by KE = 12 mv2. Suppose a 0.17-kg billiard ball is rolling down a pool table with an initial speed of 4.5 m/s. As it travels, it loses some of its energy as heat. The ball slows down to 3.8 m/s and then collides head-on with a second billiard ball of equal mass.

Where is the cue ball placed?

The incoming player may place the cue ball anywhere behind the head string. The shooting player may shoot at any object ball as long as the base of the object ball is on or below the head string.

What is a cue in simple words?

cue noun [C] (SIGNAL) a signal for someone to do something: [ + to infinitive ] They started washing up, so that was our cue to leave the party. If something happens on cue, it happens just after someone has said or thought it would happen: I was just wondering where Sarah was, when, right on cue, she came in.

How does a cue ball move?

If the cue ball hits an object ball at an angle and has follow on it (is spinning forward), the cue ball will first travel on the tangent line and then parabolically arc forward from the tangent line in the direction of cue ball travel.

Why does a ball lose momentum?

All of the balls lost momentum because there are no perfectly elastic collisions in the real world. Even the most elastic collisions are slightly inelastic. When a ball bounces, energy is transferred to heat, noise or internal energy, which decreases the amount of momentum.

Which ball will change more momentum?

(ii) The momentum of each ball will change by the same amount because the total momentum of the system (both balls) is conserved according to the law of conservation of momentum. However, the tennis ball will experience a larger change in momentum in proportion to its smaller mass, compared to the football.

Which ball is more elastic?

The rubber ball will bounce the highest because it has the greatest elasticity. When the rubber ball hits the ground it gets compressed, or squished, and because it is very elastic, it quickly returns to its original shape.

Why is momentum conserved but not energy?

While momentum of the system is conserved in an inelastic collision, kinetic energy is not. This is because some kinetic energy had been transferred to something else. Thermal energy, sound energy, and material deformation are likely culprits.

Is momentum a form of energy?

Momentum is NOT a form of energy; it is simply a quantity which proves to be useful in the analysis of situations involving forces and impulses. b. TRUE – If an object has momentum, then it is moving. If it is moving, then it has kinetic energy.

When two billiard balls collide?

What is the difference between pool and billiards?

Billiards is played on a table without pockets. The game only has three balls, which are red, white (with a spot), and another white one (without a spot). Pool involves a table with six pockets. You need 15 balls, but some people play with just nine.

What is work equal to?

To express this concept mathematically, the work W is equal to the force f times the distance d, or W = fd. If the force is being exerted at an angle θ to the displacement, the work done is W = fd cos θ.

What does use cue mean?

: a word, phrase, or action in a play, movie, etc., that is a signal for a performer to say or do something.

What does cue ball in hand mean?

Ball in hand means you are allowed to place the cue ball anywhere on the table (with the exception of fouls on the break which result in ball in hand behind the head string) and shoot any of your balls (or the 8, if all your category of balls has been pocketed.)

Why is it called a cue?

The handle of the mace was known as a “queue,” which meant “tail.” From there, it evolved, and we now have the word “cue.” Even with the invention of the cue stick, there were still some players that chose mace over the other. Public pool rooms were soon available, although skilled players only used them.

Is cueball one word?

nounBilliards, Pool. the ball a player strikes with the cue, as distinguished from the other balls on the table.