Answer to Question #123970 in Mechanics | Relativity for lily

Question #123970
The car is moving forward with a force of 4000 N. Air is moving in a backward direction with a force of 1500 N and is acting on a car. what will be the direction of the moving car? *
1
Expert's answer
2020-06-29T14:06:35-0400

Let`s choose the forwards as the positive direction. Then, we can write the net force acting on the car:


"F_{net} = F_{car} - F_{air},""F_{net} = 4000 \\ N - 1500 \\ N = 2500 \\ N."


The positive sign of the net force means that the car is moving in the forward direction.

Answer:

"F_{net} = 2500 \\ N," in the forward direction.


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