Civil Engineering - Strength of Materials - Discussion
Discussion Forum : Strength of Materials - Section 4 (Q.No. 4)
4.
A rectangular log of wood is floating in water with a load of 100 N at its centre. The maximum shear force in the wooden log is
Discussion:
23 comments Page 1 of 3.
Prakash said:
4 years ago
Water exerts a resisting force equal to the applied point load of 100 N in the form of UDL over the whole span.
Let's say, the span is 10m long then, W=10N/M.
Now, the beam is loaded with UDL of 10N/M in an upward direction and a point load at the center.
From the SF diagram maximum shear 50N at the center.
Let's say, the span is 10m long then, W=10N/M.
Now, the beam is loaded with UDL of 10N/M in an upward direction and a point load at the center.
From the SF diagram maximum shear 50N at the center.
(2)
Himanshu said:
8 years ago
Answer is B.
@All.
Here, you haven't considered the UDLof water which is 100/ total length. And the question of shear centre does not arise.
@All.
Here, you haven't considered the UDLof water which is 100/ total length. And the question of shear centre does not arise.
Anant said:
7 years ago
According to given options answer should be 50 N.
But under a point load shear force is always indeterminate.
But under a point load shear force is always indeterminate.
Naresh Bastakoti said:
2 years ago
Reaction from water is coming as UDL of magnitude 100/length resultant of which will be again its centre.
PRATUL SHARMA said:
8 years ago
The UDL of water will act in the opposite direction of the 100 kN. And thus the answer is 100-50 = 50.
Akscivili@n said:
8 years ago
Because the load is passed through the shear center. It's floating 100 is right and acts at center.
Gopal Chaudhary said:
3 years ago
According to me, 50 N at center is the right answer.
Because there are applied to Beyonce's force.
Because there are applied to Beyonce's force.
(1)
Anuj j said:
4 years ago
@Civise.
Because the log is floating. So forces are balancing each other. That's why.
Because the log is floating. So forces are balancing each other. That's why.
(1)
Civise said:
4 years ago
How do guys consider the udl of water is 50? Please explain it detail.
Gmg said:
7 years ago
The answer is A, each end 50, not centre, sf of udl at centre is zero.
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