Question

Why the passengers fall forward in the bus when the driver suddenly applies brakes?any two differences?

Answer 1

When the bus is in a moving state, the passengers are also in the same motion as is the bus. The passengers' velocity and the bus' velocity, both remain same while it is moving. In case the bus suddenly stops, the speed of the bus becomes zero suddenly, while the passengers continue to move with the bus' moving velocity for some time. So the passengers fall forward while they continue to have the bus' previous velocity and then comes to rest like the bus. The previous velocity of the bus is the reason of the passengers' forward motion.

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Answer 2

The passengers in a bus tend to fall backward when it starts suddenly due to inertia as the passengers tend to remain in the state of rest while the bus starts to move. When the bus stops suddenly, people fall forward because their inertia as they are in state of motion even when the bus has come to rest.

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