Question

Why do the passengers tend to fall sideways when a speeding bus takes a sharp turn?

Answer 1

because the speed of the passengers is same even they are seating
therefore?

Answer 2

$\huge \underline{ \rm{Answer}}$

$\longrightarrow$When a bus runs along a straight line path, all the passenger travelling in the bus also move with the same speed in the same direction. When the bus takes a sharpen turn, the upper body in the original (straight line path),while the lower portion tend to turn with bus. As a result, passengers tend to fall/lean sideways.