# BookRiff

If you don’t like to read, you haven’t found the right book

## What is reaction shape in bowling?

Reaction Shapes Balls that skid through the front part of the lane with the strongest change of direction down lane. Balls with higher numbers will have a stronger change of direction.

## How do you choose a reactive bowling ball?

Some say your ball should be approximately 10 percent of your body weight, up to the maximum 16 pounds. Most pro bowlers use 16-pound balls, although more than you think use 15-pounders. Another method is to add one or two pounds to the weight of the house ball you normally use.

How do I make my bowling ball more reactive?

The lower the Abralon grit on the pad, the more porous and textured the ball surface becomes. A 500 grit pad will allow for the most aggressive friction factor on the lanes and works best if your bowling in heavy oil.

### What forces act on a bowling ball?

Friction is the only force acting on the bowling ball so Ff replaces F and equals mass times acceleration. The friction force equals the friction coefficient multiplied by the normal force (mass times gravity), which therefore also equals mass times acceleration.

### What does skid flip in bowling balls mean?

“Skid-flip” is a term commonly used to describe a given bowling ball motion as it travels down a given lane from the release point on the front end of the lane down the lane to the break point, and then change directions and hook with a sharp angle of entry to the pocket.

What does RG mean on a bowling ball?

High RG. The USBC defines RG (radius of gyration) as: Measured in inches, radius of gyration is the distance from the axis of rotation at which the total mass of a body might be concentrated without changing its moment of inertia. Simply put, RG is when your ball begins to rev up.

## How do you pick the right size bowling ball?

Follow the 10% rule. A bowling ball should weigh 10 percent of your body weight (up to 16 pounds), which means you really shouldn’t be grabbing, say, an 8-pound ball if you weigh 150 pounds. You want some weight to the ball, but it shouldn’t be so heavy that it’s uncomfortable.

## Does sanding a bowling ball make it hook more?

A ball that is altered with a sanding pad will grab the lane and hook sooner than a ball that is polished. Sanding pads, called Abralon pads, are used to alter the surface of a bowling ball. The more course the sanding pad, the rougher the surface and the sooner the ball will start to hook.

How is Newton’s 3rd law demonstrated when bowling?

When the ball hits the pins, they push on the ball with the same amount of force in the opposite direction. This means that the ball will slow down, and the pins will fall, which is the reaction.

### What determines the motion of a bowling ball?

coverstock – The study proved that the most important factor in determining ball motion is the ball’s coverstock. mass distribution inside the bowling ball (known as ball dynamics) – the core design will determine if a ball is symmetric or asymmetric and will describe its hook and length potential ratings.

### What makes a bowling ball have the strongest reaction?

A 3.375″ Pin-to-PAP distance will yield the strongest ball reaction because this will force the ball off the hand into the most unstable ball roll possible for the symmetric core. This high level of instability results in maximum track flare which is why the ball will have the strongest reaction (change of direction).

What makes a bowling ball flare the most?

Although any ball with a high differential has the potential for maximum flare on a bowling lane any random asymmetrical ball in your bag will usually flare more than the random symmetrical ball because they naturally have higher differential values as a rule of thumb.

## What can change the motion of a bowling ball?

Beyond the RG being small or large, the differential being big or small, and the Pin-to-PAP distance being short or long the shape of the ball’s change in motion can be altered a bit by altering the VAL intersection with the Pin-to-PAP plane.

## What makes a bowling ball read the lane?

Pin/PAP distances that are on the high side will operate in conjunction with the ball’s larger radius of gyration (RG) measurement while distances on the lower side of the scale will operate in conjunction with the ball’s lower RG measurement. In general high RG balls read the lane late and low RG balls read the lane early.