**Rotational Dynamics of a Grindstone**Suppose you exert a force of 172 N tangential to a 0.295 m radius, 75.0 kg grindstone (a solid disk). Provide all answers to at least two decimal places.**(a) What torque (in N·m) is exerted? (Enter the magnitude)**\[ \tau = 50.74 \, \text{N} \cdot \text{m} \]**(b) What is the angular acceleration (in rad/s²) assuming negligible opposing friction? (Enter the magnitude)**\[ \alpha = 15.55 \, \text{rad/s}^2 \]**(c) What is the angular acceleration (in rad/s²) if there is an opposing frictional force of 22.6 N exerted 1.75 cm from the axis? (Enter the magnitude)**\[ \alpha = 15.44 \, \text{rad/s}^2 \]

Answered: Image /qna-images/answer/ca16e4c0-ea83-4f8d-8ea2-c69477dbf14a.jpg

Suppose you exert a force of 172 N tangential to a 0.295 m radius 75.0 kg grindstone (a solid disk). (Give your answers to at least 2 decimal places.) (a) What torque (in N - m) is exerted? (Enter the magnitude.) 50.74 N-m (b) What is the angular acceleration (in rad/s") assuming negligible opposing friction? (Enter the magnitude.) 15.55 Iv rad/s? (c) What is the angular acceleration (in rad/s) if there is an opposing frictional force of 22.6 N exerted 1.75 cm from the axis? (Enter the magnitude.) 15.44 Ox rad/s?

Suppose you exert a force of 172 N tangential to a 0.295 m radius 75.0 kg grindstone (a solid disk). (Give your answers to at least 2 decimal places.) (a) What torque (in N - m) is exerted? (Enter the magnitude.) 50.74 N-m (b) What is the angular acceleration (in rad/s") assuming negligible opposing friction? (Enter the magnitude.) 15.55 Iv rad/s? (c) What is the angular acceleration (in rad/s) if there is an opposing frictional force of 22.6 N exerted 1.75 cm from the axis? (Enter the magnitude.) 15.44 Ox rad/s?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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