Question

when a car or bus starts suddenly , the passenger fall backward give reason

Answer 1

bcoz if a bus or a car starts suddenly they fall backward bcoz at that time their body is at rest and due to sudden action they fall backward (Newton's third law of motion

Answer 2

because when the passenger was in stationary and when the bus starts suddenly the passenger will unbalanced and move backward
⭐I think you got it ⭐