Answered: A homogeneous triangular plate weighing…

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter26: Vision And Optical Instruments

Section: Chapter Questions

Problem 18CQ: How does the NA of a microscope compare wi1h the NA of an optical liber?

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DINAMICS:

A homogeneous triangular plate weighing 30 N is suspended by two chords AC and BD as shown, for that instant the angle they describe is 60 ° and the angular velocity of the chords is counterclockwise equal to 10 rad / s, determine the string tension, angular acceleration of strings, and plate acceleration

60
60"
10 radis
10 rad's
Bod mm
600 mi
900 mm
450 mm

Definition Definition Rate of change of angular velocity. Angular acceleration indicates how fast the angular velocity changes over time. It is a vector quantity and has both magnitude and direction. Magnitude is represented by the length of the vector and direction is represented by the right-hand thumb rule. An angular acceleration vector will be always perpendicular to the plane of rotation. Angular acceleration is generally denoted by the Greek letter α and its SI unit is rad/s 2 .

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