Engineering mechanics statics CE240 HW ?

CE 240 –

1. D or

– HW #3

Determine th r compressio

e force in ea on. Set P1 =

ach member 20 kN and P

r of the truss P2 = 10 kN.

s and state i

f the membe

1 | P

Fall 2014

ers are in ten

a g e

4

nsion

2. D or

Determine th r compressio

e force in ea on. Hint: Th

ach member e resultant fo

r of the truss force at the p

s and state i pin E acts alo

f the membe ong member

2 | P

ers are in ten r ED. Why?

a g e

nsion

3. D or

Determine th r compressio

e force in ea on. Set P1 =

ach member 800 lb, P2 =

r of the truss 0.

s and state if the membe

3 | P

ers are in ten

a g e

nsion

4. D or

Determine th r compressio

e force in ea on. Set P1 =

ach member 240 lb, P2 =

r of the truss 100 lb.

s and state if the membe

4 | P

ers are in ten

a g e

nsion

5. D or

Determine th r compressio

e force in ea on. The load

ach member d has a mass

r of the truss of 40 kg.

s and state if the membe

5 | P

ers are in ten

a g e

nsion

6. Th EH

he Howe brid H, and HG, an

dge truss is su nd state if the

ubjected to th e members ar

he loading sho re in tension o

own. Determ or compressi

ine the force on.

6 | P

in members

a g e

DE,

7. Th D co

he internal d etermine the ompression.

drag truss fo e force in me

or the wing embers BC, B

of a light a BH, and HC, a

irplane is su and state if t

ubjected to t the members

7 | P

the forces sh s are in tensi

a g e

hown. ion or

8. Th LK

he Pratt brid K, CD, and KD

ge truss is su D, and state if

ubjected to th the member

he loading sh rs are in tensi

hown. Determ on or compre

mine the forc ession.

8 | P

ce in membe

a g e

rs LD,

9. D co

etermine the ompression.

e force memmbers BC, FC, and FE, annd state if thhe members

9 | P

are in tensi

a g e

on or

10. D ar

etermine the re in tension

e force in mem or compressi

mbers OE, LE on.

E, and LK of thhe Baltimore truss and sta

10 | P

ate if the mem

a g e

mbers