Question

in which direction of the bus will passenger move when the bus starts sudden from its rest position give explation​

Answer 1

The passenger will feel a force opposite to direction on motion of bus because lower body part will move along but upper body part will be at rest for sometime and thus will move backward .

Answer 2

HII.........    ^_^

THERE IS YOUR ANSWER..........   ^_^

WHEN BUS STARTS SUDDENLY THAN DUE TO THE INERTIA OF REST THE MASS OF THE PASSENGERS REMAIN AT REST THATS WHY THEY MOVE OPPOSITE TO THE DIRECTION OF THE MOTION OF THE BUS

THE CENTRE OF MASS AND THE CENTRE OF GRAVITY OF THE PASSENGERS REMAIN AT THE SAME BASE WHICH IS THE RELATIVE POSITION OF THE PASSENGERS THATS WHY WHEN BUS START SUDDENLY THAN THE MASS OF THE PASSENGERS CAN WANT TO REMAIN AT THE RELATIVE POSITION AND BASE THATS WHY THEY FEEL A SUDDEN PUSH BECAUSE OF THE SUDDEN START OF THE BUS

HOPE ITS HELP YOU.......

^_^