- 01 Apr, 2021
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- 40 Secs Read
Physics homework
⦁ A driven gear of 80 teeth makes 70.0 revolutions per minute. The driver
gear makes 100.0 rpm. What is the number of teeth required for the
driver gear? Show work.
⦁ Find the centripetal force exerted on a 7.12-kg mass moving at a speed of 2.98 m/s in a circle of radius 2.72 m. Show Work
⦁ The centripetal force on a car of mass 800 kg rounding a curve is 6250 N. If its speed is 15.0 m/s, what is the radius of the curve? Show Work
⦁ A driver gear has 36 teeth and makes 85.0 rpm. Find the rpm of the driven gear with 72 teeth. Show Work
⦁ A motor turning at 1500 rpm is fitted with a gear having 60 teeth. Find the speed of the driven gear if it has 40 teeth. Show Work
⦁ Find the speed in rpm of gear D. Show Work