What is the normal force on the cyclist

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At a stunt show, an 80 kg motorcyclist goes around a vertical loop, which has a radius of 20 m. When the motorcyclist is at the top of the loop, as shown, he has a speed of 20 m/s. At this instant, what is the normal force on the cyclist?

Reference no: EM13981677

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What is the normal force on the cyclist : When the motorcyclist is at the top of the loop, as shown, he has a speed of 20 m/s. At this instant, what is the normal force on the cyclist?
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How fast is the cyclist moving at the top of the loop : Find the normal force acting on the rider at the bottom of the loop. How fast is the cyclist moving at the top of the loop? Find his centripetal acceleration at the bottom of the loop.

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