We are standing in a stationary bus. When bus suddenly start why we are thrown in backward direction ?

We are standing in a stationary bus. When bus suddenly start why we ar

1.	We are standing in a stationary bus. When bus suddenly start why we are thrown in backward direction ?
Answer» Solution :Whenwe are standinginstationarybus ourfeetare intouchwiththe FLOOR. Frictionalforceis betweenfeetand floorof thebus. Whenbussuddenlystartdueto frictionourfeetstartmovingin DIRECTIONOF buswhereasrest ofthe bodytryto retainpositiondue toinertia. hencewe arethrownin backwarddirection inoppositedirection ofof buswhereasrestofthe bodytryto retainpositiondue toinertia hencewe arethrowninbackwarddirection inoppsitedirectionof ACCELERATIONOF bus.