A cyclist turns a corner with a radius of 50m at a speed of 10 m/s   A) what is the cyclist's acceleration  B) if the cyclist and cycle have a combined mass of 120 kg what is the force acting on them as they turn  c) what type of centripetal acceleration is this

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!