Determine the equivalent resultant moment acted at point b by the loading system.
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Answer:
Explanation:
Torque or Moment of Force
The rotating effect of a force is called torque or Moment of a force. Mathematically it is defined as the product of force with perpendicular distance from the axis of rotation
τ
=
F
d
sin
θ
Answer and Explanation:
Let us redraw the diagram again
Fig 1
Let us first calculate angle
θ
=
tan
−
1
(
4
3
)
=
53.13
0
Now taking point B as axis of rotation, the equivalent resultant moment acted at point B will be equal to sum of clockwise moment and anticlockwise moment.
τ
n
e
t
=
F
A
×
A
B
−
200
N
.
m
−
F
C
×
B
C
×
sin
θ
τ
n
e
t
=
40
N
×
3
m
−
200
N
.
m
−
50
N
×
3
m
×
sin
(
53.13
0
)
=
−
200
N
m
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