Two small objects of mass mo and a rotating platformof radius R and rotational inertia I, about its centercompose a single system. Students use the system toconduct two experiments. The objects are assumed tobe point masses.Experiment 1moRmoFoFigure 1Each object of mass mo is placed a distance rị awayfrom the center of the platform such that both massesare on opposite sides of the platform. A constanttangential force Fo is applied to the edge of the platformfor a time Ato, as shown in Figure 1. The system isinitially at rest.Experiment 2Rr2 r2FoFigure 2Each object of mass mo is placed a distance r2 awayfrom the center of the platform such that both massesare on opposite sides of the platform. Distance r2 < rị.A constant tangential force Fo is applied to the edge ofthe platform for a time Ato , as shown in Figure 2. Thesystem is initially at rest. Which of the following graphs represents the angulardisplacement of the system as a function of time for thesystem in experiment 1?Time(BTimeTimeDTimeO Angular DisplacementOI Angular DisplacementAngular DisplacementOI Angular Displacement

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Two small objects of mass mo and a rotating platform of radius R and rotational inertia I, about its center compose a single system. Students use the system to conduct two experiments. The objects are assumed to be point masses. Experiment 1 mo R mo Fo Figure 1 Each object of mass mo is placed a distance ri away from the center of the platform such that both masses are on opposite sides of the platform. A constant tangential force Fo is applied to the edge of the platform for a time Ato, as shown in Figure 1. The system is initially at rest.

Two small objects of mass mo and a rotating platform of radius R and rotational inertia I, about its center compose a single system. Students use the system to conduct two experiments. The objects are assumed to be point masses. Experiment 1 mo R mo Fo Figure 1 Each object of mass mo is placed a distance ri away from the center of the platform such that both masses are on opposite sides of the platform. A constant tangential force Fo is applied to the edge of the platform for a time Ato, as shown in Figure 1. The system is initially at rest.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.

Question

Two small objects of mass mo and a rotating platform
of radius R and rotational inertia I, about its center
compose a single system. Students use the system to
conduct two experiments. The objects are assumed to
be point masses.
Experiment 1
mo
R
mo
Fo
Figure 1
Each object of mass mo is placed a distance rị away
from the center of the platform such that both masses
are on opposite sides of the platform. A constant
tangential force Fo is applied to the edge of the platform
for a time Ato, as shown in Figure 1. The system is
initially at rest.
Experiment 2
R
r2 r2
Fo
Figure 2
Each object of mass mo is placed a distance r2 away
from the center of the platform such that both masses
are on opposite sides of the platform. Distance r2 < rị
.A constant tangential force Fo is applied to the edge of
the platform for a time Ato , as shown in Figure 2. The
system is initially at rest.

Which of the following graphs represents the angular
displacement of the system as a function of time for the
system in experiment 1?
Time
(B
Time
Time
D
Time
O Angular Displacement
OI Angular Displacement
Angular Displacement
OI Angular Displacement

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