ATA ATA Bow Tech Bow Mechanics & Physics

Question 1

What is 'let-off' in a compound bow?

Accepted Answer

The percentage reduction in holding weight at full draw due to the cam system

Answer

The weight of the bow at brace

Answer

The speed of the arrow at release

Answer

The distance the string travels during draw

Question 2

What is the brace height of a bow?

Accepted Answer

The distance from the string to the deepest part of the grip at rest

Answer

The height of the bow riser from the ground

Answer

The length of the arrow shelf

Answer

The distance between the top and bottom cam

Question 3

How does a shorter brace height generally affect bow performance compared to a longer brace height?

Accepted Answer

It increases arrow speed but reduces forgiveness

Answer

It reduces arrow speed and increases forgiveness

Answer

It has no effect on speed or forgiveness

Answer

It increases both speed and forgiveness equally

Question 4

What is the function of a bow's cam system?

Accepted Answer

To mechanically store energy during the draw and release it efficiently to the arrow

Answer

To stabilize the bow during transport

Answer

To adjust the arrow rest position

Answer

To connect the limbs to the riser

Question 5

What does IBO speed rating measure in a compound bow?

Accepted Answer

Arrow speed in fps under standardized conditions: 70 lb draw, 30-inch draw length, 350-grain arrow

Answer

Maximum draw weight of the bow

Answer

The bow's vibration level after the shot

Answer

The bow's accuracy at 30 yards

Question 6

Which component is primarily responsible for transferring energy from the limbs to the bowstring in a compound bow?

Accepted Answer

The cables and cams

Answer

The arrow rest

Answer

The stabilizer

Answer

The peep sight