An automobile with 0.260 m radius tires travels 80,000 km before wearing them out. How many revolutions do the tires make, neglecting any backing up and any change in radius due to wear?

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Q: An automobile with 0.260 m radius tires travels 80,000 km before wearing them out. How many…

A: Number of revolution=distance/2πR As distance covered in 1 revolution=2πR

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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.