Answered: 13. A solid disc has a mass of 7.8 kg…

13. A solid disc has a mass of 7.8 kg and a diameter of 40 cm. A net torque of 11 N/ m is applied to the disc causing it to rotate from rest. What is the angular velocity of the disc after 16 s?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter8: Rotational Motion

Section: Chapter Questions

Problem 54A

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Concept explainers

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

Question

13. A solid disc has a mass of 7.8 kg and a diameter of 40 cm. A net torque of 11 N/ m is
applied to the disc causing it to rotate from rest. What is the angular velocity of the disc after
16 s?

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