A safe distance should be maintained so that sufficient time and space are available to react and stop safely if the truck suddenly applies its brakes. The required distance depends on speed, reaction time, and braking conditions.
How much distance should we maintain from the truck ahead to avoid a collision if it suddenly applies the brakes?
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A sufficient safe distance should be maintained from the truck so that the following vehicle has enough time and space to react and stop safely if the truck suddenly applies its brakes. The required distance depends on factors such as the vehicle’s speed, driver’s reaction time, road condition and braking capacity. A vehicle travelling at higher speed generally requires a greater safe distance to avoid collision.
For more NCERT Solutions of Class 9 Science Exploration Chapter 4 Describing Motion Around Us Question Answer (2026-27)
https://www.tiwariacademy.com/ncert-solutions/class-9/science/exploration-chapter-4/