M3 CQ1 For the following model of a wing loaded by the
weight of an engine (10 kN) what forces and moments
must be applied at its root to keep it in equilibrium?
1.

50

0 
M =
 0
 kNm 2. R =  0  kN
 
 
 0


10

 50


0

3. R
=  0  kN ,
M
=
 0  kNm
 
 

0 
10
4.
 −
50

0 
R =  0  kN , M =  0  kNm


 
 0 
10
5. Some other answer. 6. Do not know/ understand
M3 CQ2 If in addition a moment of 500 kN acts along the
length of the wing what forces and moments must be
applied at its root to keep it in equilibrium?
 50

 0

1. M =  −
500
 kNm 2. R =  0  kN


 
 0 

10

 −50 
 0
3. R =  0  kN , M =  −
500
 kNm


 

0 

10


−50 
100
4. R =  0  kN , M =
 −
500
 kNm





0 
 10 
5. Some other answer. 6. Do not know/ understand