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06/01/2021 12:28 pm
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An automobile vehicle has a mass of 1500 kg. What must be the force between the vehicle and road if the vehicle is to be stopped with a negative acceleration of 1.7 m s-2?
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06/01/2021 12:30 pm
Here, m = 1500 kg, a = -1.7 ms-2, F = ?
F = ma
F = 1500(-1.7)N = -2550 N
Negative sign indicates that the force is opposing the motion of the vehicle.