SSC (English Medium) Class 9Maharashtra State Board
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Why Does It Happen? - SSC (English Medium) Class 9 - Science and Technology

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Question

Why does it happen?

If a stationary bus suddenly speeds up, passengers are thrown in the backward direction.

Solution

If a stationary bus suddenly speeds up, passengers are thrown in the backward direction. This is because initially the whole body of a passenger inside the bus was in the state of rest. 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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APPEARS IN

 Balbharati Solution for Balbharati Class 8 Science - General Science (2018 to Current)
Chapter 3: Force and Pressure
Exercise | Q: 4.4 | Page no. 22
Solution Why Does It Happen? Concept: Balanced and Unbalanced Forces.
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