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In a framed structure, as shown in the below figure, the force in the member AB is __________ the force in member AC.<br> <img src="/images/question-image/mechanical-engineering/engineering-mechanics/1528353442-7.jpg" title="Engineering Mechanics mcq question image" alt="Engineering Mechanics mcq question image">
A
Half
B
Equal to
C
Double
D
None of these
Correct Answer:
Half
In a framed structure, as shown in the below figure, the force in the member BC is
A
$$\frac{{\text{W}}}{{\sqrt 3 }}$$ (compression)
B
$$\frac{{\text{W}}}{{\sqrt 3 }}$$ (tension)
C
$$\frac{{2{\text{W}}}}{{\sqrt 3 }}$$ (compression)
D
$$\frac{{2{\text{W}}}}{{\sqrt 3 }}$$ (tension)
A framed structure, as shown in the below figure, is a
A
Perfect frame
B
Deficient frame
C
Redundant frame
D
None of the above
In a framed structure, as shown in the below figure, the forces in the members AB and BC are respectively
A
$$\sqrt 3 \,\,$$W (tensile) and 2W (compressive)
B
2W (tensile) and $$\sqrt 3 \,\,$$W (compressive)
C
$$2\sqrt 3 \,\,$$W (tensile) and $$2\sqrt 3 \,\,$$W (compressive)
D
None of the above
The member which does not carry zero force in the structure shown in below figure, is
A
ED
B
DC
C
BC
D
BD
In the structure shown in below figure, the member which carries zero force, is
A
AB
B
BC
C
BE
D
All the above
The load shared by the member BC of the structure shown in below figure is
A
23 t
B
32 t
C
4 t
D
3 t
A mass m is constrained to move on a horizontal frictionless surface. It is set in circular motion with radius r
0
and angular speed ω
0
by an applied force $$\overrightarrow {\bf{F}} $$ communicated through an inextensible thread that passesthrough a hole on the surface as shown in figure given below. Then, this force is suddenly doubled.
The magnitude of the radial velocity of the mass
A
increases till mass falls into hole
B
decreases till mass falls into hole
C
remains constant
D
becomes zero at radius r<sub>1</sub>, where 0 1 0
A vertically immersed surface is shown in the below figure. The distance of its centre of pressure from the water surface is
A
$$\frac{{{\text{b}}{{\text{d}}^2}}}{{12}} + \overline {\text{x}} $$
B
$$\frac{{{{\text{d}}^2}}}{{12\overline {\text{x}} }} + \overline {\text{x}} $$
C
$$\frac{{{{\text{b}}^2}}}{{12}} + \overline {\text{x}} $$
D
$$\frac{{{{\text{d}}^2}}}{{12}} + \overline {\text{x}} $$
The vertical reaction at the support ‘A’ of the structure shown in below figure, is
A
1 t
B
2 t
C
3 t
D
3.5 t
The force induced in the string BC due to the load 'W' as shown in the below figure is
A
W sinθ
B
W cosθ
C
W tanθ
D
W cotθ
