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Physics - lake
forces in motion
moments
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couples and torques
Physics - lake > forces in motion > moments
3 cards
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Moment
the product of the
force
and the
perpendicular
distance of the line of action of the force from the pivot.
Equation
Moment = f×x
Moment
=
force
×perpendicular
distance
What are the key components involved in calculating moments for a body in rotational equilibrium?
Force (F)
Distance (d)
Angle (θ)
Moment calculation:
m
o
m
e
n
t
=
moment =
m
o
m
e
n
t
=
F
c
o
s
θ
Fcosθ
F
cos
θ
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moments definition
this is the
turning effect
of a force at an
axis
or point
perpendicular distance
0.20cos
θ
\theta
θ
moments equation with numbers
moments =
f
×
\times
×
0.20cos
θ
\theta
θ
principle of moments
you can use this to solve where an object is in
rotational equilibrium
-
the sum of
anticlockwise
moments at any point is equal to the sum of the clockwise moments at the same point
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