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Solution - Why Do You Fall in the Forward Direction When a Moving Bus Brakes to a Stop and Fall Backwards When It Accelerates from Rest? - CBSE Class 9 - Science

ConceptInertia and Mass

Question

Why do you fall in the forward direction when a moving bus brakes to a stop and fall backwards when it accelerates from rest?

Solution

Due to the inertia of the passenger

Every body tries to maintain its state of motion or state of rest. If a body is at rest, then it tries to remain at rest. If a body is moving, then it tries to remain in motion. In a moving bus, a passenger moves with the bus. As the driver applies brakes, the bus comes to rest. But, the passenger tries to maintain his state of motion. As a result, a forward force is exerted on him. Similarly, the passenger tends to fall backwards when the bus accelerates from rest. This is because when the bus accelerates, the inertia of the passenger tends to oppose the forward motion of the bus. Hence, the passenger tends to fall backwards when the bus accelerates forward.

Is there an error in this question or solution?

APPEARS IN

 NCERT Science Textbook for Class 9 (with solutions)
Chapter 9: Force and Laws of Motion
Q: 4 | Page no. 118

Reference Material

Solution for question: Why Do You Fall in the Forward Direction When a Moving Bus Brakes to a Stop and Fall Backwards When It Accelerates from Rest? concept: Inertia and Mass. For the course CBSE
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