Why do passengers in a bus fall back as it accelerates?

Inertia. According to the newton's First law any object in motion will continue to move with the same velocity unless a force acts upon it. when bus accelerates the passengers according to the first law still are moving with the original speed that creates jolting toward the back.



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When a bus or train at rest starts, to move suddenly, the passengers sitting in it jerk in the backward direction due to their inertia of rest.

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A getting passenger getting down from a moving bus, falls in the direction of the motion of the bus. This is because his feet come to rest on touching the ground and the remaining body continues to move due to inertia of motion.

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Because the lower part of the body comes to rest with the bus while the upper part tends to continue its motion due to inertia.

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A school bus is most likely to be bouncy due to the air suspension working as well the axle. Charter buses are air suspension but feel like you are air riding because the seats are raise higher from the suspension and the axle. This makes the bus ride more comfortable on long rides and when going on bumpy roads.

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The man jumping out from a moving bus possesses the inertia of motion. As the man lands on the gorund, feet come to rest immediately while the upper part of body continue to move due to inertia of motion and hence the person may fall forward. Q. Explain why, it is dangerous to jump out of moving bus.

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To recap, Newton's first law, the law of inertia, states the following: An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted on by an unbalanced force.

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We might be susceptible to sleep while in a car, bus, train, plane, or boat because of multiple factors, including the vibrations and the white noise, the sensations representative of being in the womb, the boredom, or simply the fact that we're tired.

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Some roads have a prevailing wind direction in which case you may see the bus stop on one side of the road facing into the road and on the other side facing away from the road. Some areas have higher than average rainfall requiring bigger shelters shielding you from kerbside puddles.

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For trains the wheels and the rail are both steel, and the steel-steel friction coefficient is around 0.25. So the stopping time and distance will, at best, be three to four times greater than a car.

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