Answered: A 40-g cylinder is 0.15 m in radius and…

A 40-g cylinder is 0.15 m in radius and 0.05 m in length. A string is wound around it and a force is applied to cause its angular acceleration of 5.0 rad/s?. Determine the net torque acting on it.

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 88P: A torque of 50.0Nm is applied to a grinding wheel (l=20.0kgm2) for 20 s. (a) If it starts from rest,...

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Concept explainers

Angular speed, acceleration and displacement

Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.

Angular Position

Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth with respect to sun, position of school with respect to house, etc. Angular position is the rotational analogue of linear position.

Question

Sample Problem
A 40-g cylinder is 0.15 m in radius and
0.05 m in length. A string is wound
around it and a force is applied to cause
its angular acceleration of 5.0 rad/s?.
Determine the net torque acting on it.
16

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