When a speeding bus stop suddenly, passengers are thrown forward from their seats because

Options

A. the back of seat suddenly pushes the passengers forward.
B. inertia of rest stops the bus and takes that body forward.
C. upper part of that body continuous to be state of motion whereas that the lower part of the body in contact with seat remains rest.
D. upper part of the body come to rest whereas the lower part of the body in contact with seat begins to move.

Answer

C

Explanation

When the speeding bus stops suddenly, the lower part of the passengers's body in contact with the seat remains at rest whereas the upper part of the body of the passengers continues to be in state of motion due to inertia. Hence, the passengers are thrown forward.