A solid block having a weight of 160 N is placed at a distance of 1.40 m from the center of the circular platform having a radius of 3 m. If the platform is to be rotated at a speed of 20 rpm, a. Compute the tangential velocity at the end of the platform. b. Determine the minimum coefficient of friction between the block and the platform before the block start to slide. c. Compute the force that prevents the block to slide.

A solid block having a weight of 160 N is placed at a distance of 1.40 m from the center of the circular platform having a radius of 3 m. If the platform is to be rotated at a speed of 20 rpm, a. Compute the tangential velocity at the end of the platform. b. Determine the minimum coefficient of friction between the block and the platform before the block start to slide. c. Compute the force that prevents the block to slide.

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter10: Fixed-axis Rotation

Section: Chapter Questions

Problem 85P: Suppose you exert a force of 180 N tangential to a 0.280-m-radius, 75.0-kg grindstone (a solid...

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