The 1.5 Mg = 1,500 kg sports car has a tractive force of F = 4.5 kN = 4,500 N. If it produces the velocity described by v-t graph shown, plot the air resistance R versus t for this time period.

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Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.