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Physics intuition — apparent force in an accelerating car A boy is sitting on the back seat of a car. When the driver suddenly starts moving the car forward, the boy experiences a backward force — this happens _____. Choose the correct frequency.

Difficulty: Easy

Correct Answer: Always

Explanation:


Concept
Due to inertia (Newton's first law), the boy's body tends to remain at rest when the car accelerates forward suddenly, producing an apparent backward (pseudo) force in the non-inertial car frame.


Implication
Whenever there is sudden forward acceleration, this backward sensation occurs.


Final Answer
Always.

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