wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

A steel girder can bear a load of 20tons. If the thickness of girder is double, then for the same depression it can bear a load of :

A
40 ton
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
80 ton
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
160 ton
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
5 ton
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B 160 ton
Let the load on the girder be W1 and the thickness be t1.
Now, when the thickness is doubled, i.e. t2=2t1, the load on the girder is W2.
Depression δ=Wl34bt3Y
Since depression is same in both cases,
δ1=δ2
W1t31=W2t32
Hence,
W2=160N

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Instantaneous Axis of Rotation
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon