Two similar vehicles are moving with same velocity on the road and one of them is loaded and the other is empty. Which of the vehicle will require larger force to stop it? Give reason.
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Two similar vehicles are moving with same velocity on the road and one of them is loaded and the other is empty. Which of the vehicle will require larger force to stop it?
Loaded vehicle will require larger force to stop.
Explanation:
- A large force is required to stop the loaded vehicle.
- It is because the loaded vehicle has greater momentum than the empty vehicle as the mass of the loaded vehicle is more than that of the empty one. Thus, it requires more force to stop.
- Force required
|F| = |ΔP| / Δt
= | m(0-u) | / Δt
= mu / Δt
∣F∣ ∝ m (∵u, Δt=constants)
- As the loaded truck has more mass compared to the empty one, thus more force is required to stop the loaded truck.
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