ottommost position of the track as shown. If the speed of the car at this position is 185 km/h and is decreasing at the rate of 28 km/h every second, determine the radius of curvature p of the track at the position shown. Answer: p= i V m 0.90 m

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.