When a horse suddenly gallops, the rider falls backward. Why ?

When train suddenly stops, the passengers fall forward. It is due to

When a gas is suddenly compressed, temperature rises. Why?

Why do you fall in the forward direction when a moving bus brakes to a stop and falls backward when it accelerates from rest ?

If a running bus stops suddenly, the passengers standing inside it falls forward, explain why?

Complete the missing links. …………………..are groups of letters that formed the same words when read from both forward and backward.

A copper coil L wound on a soft iron core and a 15 W - 110 V lamp are connected to a 30 V battery through a tapping key as shown in the figure. When the key is closed, the lamp glows dimly. But when the key is suddenly opend, the lamp flashes for an instant to much greater brightness. Explain, why.