Answered: тg х т Figure P8.51

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тg х т Figure P8.51

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter9: Momentum And Its Conservation

Section: Chapter Questions

Problem 3STP

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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

A light rod of length l= 1.00 m
rotates about an axis perpendicular
to its length and passing
through its center as in
Figure P8.51. Two particles of
masses m₁ = 4.00 kg and m₂ =3.00 kg are connected to the
ends of the rod. (a) Neglecting
the mass of the rod, what is the
system’s kinetic energy when
its angular speed is 2.50 rad/s?
(b) Repeat the problem, assuming
the mass of the rod is taken
to be 2.00 kg.

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