Start learning →

A passenger standing in a bus is thrown backward when the bus suddenly starts moving forward. This is best explained by:

Ainertia of rest
BNewton's third law
Cconservation of momentum
Dinertia of motion
Answer & Solution
Correct answer: A. inertia of rest
When the bus accelerates forward, the feet move with the floor but the upper body stays at rest due to inertia of rest so the passenger is thrown backward.
Practise this question with Quill — AP Physics 1 →

Keep practising Unit 2B: Friction, Gravitational and Normal Forces

Browse all Unit 2B: Friction, Gravitational and Normal Forces questions for AP Physics 1, or explore more Physics topics.

Start a Unit 2B: Friction, Gravitational and Normal Forces lesson →