Deven S.

asked • 09/17/21

Find the total force in Newtons

Find the total force in Newtons if a 1500 kg car has k = 0.001 with the road, and accelerates with 4 m/s 2.

Christopher B.

tutor
Hey Deven, This is another ambiguous question to me - it might help to see what kinds of example problems you've done in class. Is this similar to the plate problem, in that your teacher is using "k" to represent the coefficient of kinetic friction for some sort of frictional force that is slowing the car down? It's especially confusing here, because friction between the tires and the road is also what makes a car move in the first place. I also don't know what "total force" your teacher's referring to. But my best guess is that the total force has to be greater than the net force, since the car is forcing itself forwards, but being pulled backwards by friction. So, I think I'd just find the net force with F = ma, then add that to the frictional force (F = k*Fnormal). Hope that helps, Chris
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09/17/21

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Edward L. answered • 09/18/21

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