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# A student draws the flawed free-body diagram shown as we discussed earlier to represent the forces acting on a car traveling at constant speed on a level road. Identify the errors in the diagram, then draw a correct free-body diagram for this situation.

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The car is traveling at constant speed.

So that;the net force that is acting on it must be zero.

$\sum F_x=0\\ \sum F_y=0\\$\\ The errors in the student diagram:\\$\bullet$He did not draw the drag force which is acting to the left.\$\bullet$ He drew the normal force much less than the weight force.

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