Question
A slow change in momentum reduces force of action and reaction and causes less injury or damages. Give two practical application of the said fact.
Solution
A slow change in momentum reduces force of action and reaction, causing less injury.
(i) Seat of cycles is provided with springs. The spring slows down the rate of change of momentum and reduces the hurt to the cyclist.
(ii) The paper cutting used in packing the glasswares decreases the rate of change of momentum and avoids their damages.
