Question

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

• A. The back of seat suddenly pushes the passengers forward
• B. Inertia of rest stops the bus and takes the body forward
• C. Upper part of the body continues to be in the state of motion whereas the lower part of the body in contact with seat remains at 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 1

Answer: (C)

Upper part of the body continues to be in the state of motion whereas the lower part of the body in contact with seat remains at rest

Answer 2

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 m the passengers are thrown forward.