Download the app

Questions  

Half of the uniform rectangular plate of Length ‘L’ is made up of material of density 'd1' and the other half  with density d2 . The perpendicular distance of center of mass from AB is

           

a
2d1+3d2d1+d2×L4
b
d1+3d2d1+d2×L4
c
3d1d1+d2×L4
d
3d2d1+d2×L4
 

detailed solution

Correct option is B

 

 

 

m1=L2×d1

X1=L4

m2=L2x d2

x2=3L4

xcom=m1 x1+m2x2m1+m2=L2×d1×L4+L2×d2×3L4L2d1+L2d2

=d1L4+3d2L4d1L2+d2L2

=d1+3d2d1+d2×L4

Talk to our academic expert!

+91

Are you a Sri Chaitanya student?



phone icon
whats app icon