Question

Guess and write when the bus which is at rest begins to move suddenly what happens to the person standing in the bus

Answer 1

The man would move backwards as the bus starts moving because lower part of the body starts moving while upper body being in interia of rest will continue to be at rest so man will move backwards.

Answer 2

Due it inertia of motion,,,,when the bus moves suddenly.....the person in the bus will fall reverse of the direction of the bus which is moving....

This Newton's first Law..

Hope it helps!!!!!