A 1500 kg car is moving at a constant velocity of 20 m/s around a curve in the f

Question

A 1500 kg car is moving at a constant velocity of 20 m/s around a curve in the figure below:

Find the force needed to keep the car tracking safely around the curve.

Is the car accelerating? if so, by how much and in what direction?

* I know it is accelerating towards the center of the circle because it is constantly changing direction, but not sure how to figure out by how much... thanks

A 1500 kg car is moving at a constant velocity of 20 m/s around a curve in the figure below: Find the force needed to keep the car tracking safely around the curve. Is the car accelerating? if so, by how much and in what direction? * I know it is accelerating towards the center of the circle because it is constantly changing direction, but not sure how to figure out by how much... thanks

Explanation / Answer

F = mv^2 / r = 1500 (400) / 100 = 6000 N

and

a = v^2/r = 4 m/s^2

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