What will happen to the passengers standing on a stationary bus when the bus suddenly moves forward Why?

But, when the bus suddenly starts or speeds up, the lower half of the passenger's body comes in motion in the forward direction but the upper half still remains at rest due to inertia of rest. Hence, the passengers are thrown backward when a stationary bus suddenly speeds up.



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When bus starts moving forward, lower part of the person begin to move with the bus whereas the upper part of the body tends to remain in rest due to inertia. Q. Assertion :When a bus starts suddenly, a person standing in it falls backwards.

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Expert-Verified Answer If the bus suddenly moves going to North or forward, the passenger will tend to move backward or South. The passenger's movement is in opposite direction to the bus. The reason behind this one was because of the inertia in motion.

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When the passenger jumps out of a fast-moving bus/train, his feet will come to rest on touching the ground, whereas the upper part of his body continues to move forward, due to the inertia of motion. As a result, if he does not run forward he will fall with his face in downwards direction.

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When a bus takes a turn, the centrifugal force felt by the passengers, is directed opposite to the direction of the turn. Hence, when a bus takes a right turn, the passengers inside the bus seem to lean towards left.

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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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When a moving bus suddenly applies brakes, the passengers sitting in it fall in the forward direction. This can be explained by Newton's first law. This is true because of the law of inertia when the bus was moving with some constant velocity hence passengers will also move with the bus.

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EXPLANATION: When a bus suddenly starts moving, the passengers fall backward due to the law of inertia of rest or 1st law of Newton.

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9 Things Not to Do on a Bus
  • Avoid eating foods that are particularly smelly as it will cause the entire bus to smell.
  • Keep the volume down on your headphones so you don't disturb other passengers.
  • Don't put your feet on the chair of the person in front of you.
  • Keep your items confined to your one seat.


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