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Acceleration Due to Gravity

A truck has a...

Question

A truck has a mass of 1600 kg. If the truck has to be stopped with a negative acceleration of 1.8 ms^-2. What is the force of friction between the truck and the road? (Give your answer in N)

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Solution

Calculate the force of friction using the equation, F = ma

Mass of the truck = 1600 kg

Negative acceleration = -1.8 ${m s}^{- 2}$

Force of friction between the road and the truck = 1600 $\times$ (-1.8 ${m s}^{- 2}$ ) = -2880 N

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