In taking a catch, a cricket player moves his hands backward on holding the ball. Why?

Write the reason for the following: A cricketer moves his hands backwards while holding a catch.

A cricketer draws his hand while catching a cricket ball. Why?

An external force is always required to brake the inertia of a body which is either in the state of rest or state of uniform motion. A boy holding a spring balance in his hand suspend a mass 2kg from it. If the balance slips from his hand and falls down, find the reading of the balance while it is in the air.