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19 votes
19 votes
A car of mass of 1200 kg is driven around a corner of a radius of 45m at 15 ms-1

.
(a) Calculate the acceleration of the car.
(b) Calculate the centripetal force acting on the car.
(c) Explain how the centripetal force is being produced.

User RangerRanger
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1 Answer

15 votes
15 votes

Step-by-step explanation:

w = v/r

= 15/ 45 = 1/3 rads-¹

a = w²r

= 1/9 • 45 = 5 ms-²

F = mv²/r

= 1200• 15• 15/45

= 6000N

The car, when rounding the curve, is pulled towards the center by the friction between it's wheels and the road.

User Ajeet
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3.5k points