The tension of bow and arrow is 40 pounds, 50 pounds and 60 pounds. How much force does it take to pull it? Such as how many kilograms of power.

A 40-pound bow and arrow means that the minimum pulling force required to pull the bow and arrow is 40 pounds, that is, 18.6438+044 kg; A 50-pound bow and arrow means that the minimum pulling force required to pull a bow and arrow is 50 pounds, that is, 22.680 kilograms; A 60-pound bow and arrow requires a minimum pulling force of 60 pounds, which is 27.38+06 kilograms.

Bow and arrow is a powerful long-range weapon. Bow consists of elastic bow arm and flexible bow string; Arrows include arrows, shafts and feathers. The material of the arrow is copper or iron (modern arrows are mostly alloy), the handle of the arrow is bamboo or wood (modern arrows are mostly pure carbon or aluminum alloy), and the feathers are carved, eagle or goose feathers. It is one of the important weapons used by the army and hunters.

Extended data:

Bow and arrow using skills

1, shooter style

There are two main hand types in archery. One is the Mediterranean style, which is mainly popular in the western region where a single bow is used. So the index finger, middle finger and ring finger hook the bowstring, and the right hand hook the bowstring, so the axis is on the left side of the bow. The second is Mongolian style, which is mainly popular in the eastern world where compound bows are widely used.

So hook the string with your thumb, press your thumb with your index finger and middle finger, and hook the string with your right hand, so that the arrow shaft is on the right side of the bow. If you use the Mongolian string drawing method, you must put a ring on your thumb. China called it dysprosium in ancient times, and later it was called "Banzhi". The th century is usually made of jade, bones or leather.

2. Archery

Draw a bow and an arrow with the center of the bow parallel to the line of sight. Hold the bow in your left hand, hold the arrow in your right hand, pull the string back horizontally, and then release it, and the arrow will fly out freely and shoot at the target. Practice more. Put a few more arrows in the bow sleeve and you can launch quickly.

3, to prevent scratches by arrows

Many shooters find that when the arrow flies off the bowstring, it often rubs the skin on the cheeks and hands. Cheeks can be wrapped in headscarves or other fabrics, and wrists should be wrapped in leather cases.

References:

Baidu encyclopedia-bow and arrow