Mech1
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STATICS 1
Formulas for the exam
Vector products i×j =k
2
j×k=i
k×i=j
Moment of the force about the point MO = r × F
3
Moment of the force about the axis Mλ = λ · (r × F )
4
Equations of equilibrium X X
5
M =0
Equivalence of two systems of forces (s) and (s,) X X
6
F =0
F (s) =
X
F (s, )
=
X
MO
MO
(s)
(s, )
Wrench Mw + a × R = MO M w = pR
pitch of the wrench R · MO R2 R × MO a= R2 p=
1
Formulas for the exam
Vector products i×j =k
2
j×k=i
k×i=j
Moment of the force about the point MO = r × F
3
Moment of the force about the axis Mλ = λ · (r × F )
4
Equations of equilibrium X X
5
M =0
Equivalence of two systems of forces (s) and (s,) X X
6
F =0
F (s) =
X
F (s, )
=
X
MO
MO
(s)
(s, )
Wrench Mw + a × R = MO M w = pR
pitch of the wrench R · MO R2 R × MO a= R2 p=
1
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