Flag Engineering Entrance Exams> The radius of gyration of a disc of mass ...
question mark

The radius of gyration of a disc of mass 100 gm and radius 5 cm about an axis passing through its centre of gravity and perpendicular to the plane is(a) 0.5 cm (b) 2.5 cm(c) 3.54 cm (d) 6.54 cm

sumit kumar , 10 Years ago
Grade Upto college level
anser 2 Answers
Saurabh Koranglekar

Last Activity: 4 Years ago

576-1905_1.PNG

Vikas TU

Last Activity: 4 Years ago

the moment of inertia of a disc passing thrugh the centre of the axis is given by
i=mr^2/2
I=100*25/2
i=50*25
i=1250
radius of gyration is given by k=under root i/m
therefore the radius of a gyration is
k=under root 1250/100
k=under root 12.5
 

Provide a better Answer & Earn Cool Goodies

Enter text here...
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments


Ask a Doubt

Get your questions answered by the expert for free

Enter text here...

question mark
consider the figure of a single riveted lap joint as follows
Engineering Entrance Exams
0 Answer Available

Last Activity: 2 Year ago(s)

question mark
Hello, Can we learn and prepare for MHT-CET online ?
Engineering Entrance Exams
0 Answer Available

Last Activity: 3 Year ago(s)