Question

The troops (soldiers) equipped to be dropped by parachutes from an aircraft are called paratroopers. Why do paratroopers roll on landing?

Answer 1

Hint: The fundamental principle following Rolling after a fall involves converting the energy of your forward and downward motion into angular momentum, which is the forward rolling of your entire body. Rolling across your back and landing on the side of your back and buttocks absorbs the force of the fall.

Complete answer:
When you hit the ground, it exerts an upward force on you to stop you (acting directly upwards). The force it exerts is proportional to the duration of the collision. When you strike the ground, you have no control over your mass or speed, but you may extend the duration and reduce the rate of change in momentum, and rolling is one such technique.

As a result, we would be less wounded from the impact of the fall.The paratroopers roll on landing to increase the time it takes to reduce their body's momentum. As a result, the rate of change of momentum is slowed, and therefore less force is applied on their legs, and they are not injured.

Note: After Falling from a height rolling will help in reducing the injuries. But if the fall is from a greater height even rolling will not be able to save us from the impact of landing. While rolling one has to be careful not to break his neck or the consequences will be fatal.