The mass of each car is 600kg, 970kg, 230kg, 810kg, 660kg. The force of friction on each car is 1980N, 3201N, 759N, 2673N, 2178N respectively. What is the magnitude of the backward forces on the 2nd car?

1 Answer
Steve J.
Jul 14, 2018

I might be misreading the question, but I would answer 3201N.

Explanation:

I have no reason to think there are any backward forces on the car other than the given friction forces.

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