Question

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 ms?​

Answer 1

Explanation:

Mass of vehicle = 1500kg

Retardation required = −1.7ms

−2

Force between road and vehicle = 1500×−1.7=-2550 N

This is a friction force.

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Answer 2

Answer:

$mass = \: 15000 \: kg \\ \\ a = 1.7 \: m \: per \: s \\ f = m \times a \\ = 15000 \times - 17 \\ = - 2550 \: newton$

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