Wk 1

Question 1

Rules when carrying out method by joints

Answer 1

1) put reactions in the direction they actually are in

2) make internal forces in members (e.g. FBA) always go outwards the joint

Question 2

Table used for wk 1 questions?

Answer 2

columns:
members, L, EA, F

Use eqn 1.2 from formula sheet

Question 3

what does this mean?

Answer 3

use length ‘a’ for everything, even diagonal members

For (EA) value use: EA

Question 4

Answer 4