A stunt motorcyclist drives his bike round a vertical circle, as shown in the...

B

Bob

New member
...illustration. The radius of the? A stunt motorcyclist drives his bike round a vertical circle, as shown in the illustration. The radius of the circle is
r = 7.5m and the speed of the cycle is 15m/s when it is at A (see diagram). If the weight of the cycle and rider together
is 300kg, what is the magnitude of the contact force exerted on the motorcycle at A?
 
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