8. 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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Answer:
here,
m = 1500 kg,
a = - 1.7 m s-²
Therefore, F = ma
= - 1500 × 1.7
= -2550 N
Negative Sign shown that the direction of the force is opposite to the direction of motion of the vehicle.
Explanation:
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