1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
irina1246 [14]
3 years ago
9

The three suspender bars AB, CD, and EF are made of A-36 steel and have equal cross-sectional areas of 500 mm2. Determine the av

erage normal stress in each bar if the rigid beam is subjected to a force of P
Engineering
1 answer:
GenaCL600 [577]3 years ago
5 0

Answer:

hello a diagram attached to your question is missing attached below is the missing diagram

The three suspender bars AB, CD, and EF are made of A-36 steel and have equal cross-sectional areas of 500 mm2. Determine the average normal stress in each bar if the rigid beam is subjected to a force of P = 70kN , let d = 2.4 m , L = 4m  

Answer :

Stress = force / area

for Bar 1 = (40.03 * 1000) / 500  = 80.06 MPa

Bar 2 = ( 23.33 * 1000 ) / 500 = 46.66 MPa

for Bar 3 = ( 5.33 * 1000 ) / 500 = 10.66 MPa

Explanation:

Given data:

Type of steel = A-36

cross-sectional area = 500 mm^2

Calculate the average normal stress in each bar

we have to  make some assumptions

assume forces in AB, CD, EF  to be p1,p2,p3  respectively

∑ Fy = 0 ; p1 + p2 + p3 = 70kN  ----------  ( 1 )

∑ Mc = 0 ; P1 * d - p * d/2 - p3 * d = 0

where d = 2.4 hence ; p1 - p3 = 35 -------- ( 2 )

Take ; Tan∅

Tan∅  = MN / 2d = OP/d

i.e. s1 - 2s2 - s3 = 0

\frac{P1L}{AE} - \frac{2P2}{AE} + \frac{P3L}{AE}  = 0

L , E and A are the same hence

P1 - 2p2 + p3 = 0 ----- ( 3 )

Next resolve the following equations

p1 = 40.03 kN,  p2 = 23.33 kN, p3 = 5.33 kN

Stress = force / area

for Bar 1 = (40.03 * 1000) / 500  = 80.06 MPa

Bar 2 = ( 23.33 * 1000 ) / 500 = 46.66 MPa

for Bar 3 = ( 5.33 * 1000 ) / 500 = 10.66 MPa

You might be interested in
Two blocks of rubber with a modulus of rigidity G =10 MPa are bonded to rigid supports and to a plate AB. Knowing that b = 200 m
g100num [7]

Answer:

Solution is given in the attachments.

5 0
3 years ago
Based on your reading of the following, how does a triple save a fire department in time?
Rama09 [41]
You said the answer in your question??
7 0
2 years ago
Which of the following is a advantage of a chain and sprocket over a pulley and belt system?
Tatiana [17]

Answer:

A) Cost

Explanation:

Chain drives have low maintenance cost.

3 0
3 years ago
WHEN WAS THE FIRST CAR INVENTED?
Sladkaya [172]
The first true automobile was invented in 1885/1886 by Karl Benz
8 0
3 years ago
Read 2 more answers
A fusible link should be how many wire sizes smaller than the actual circuit wire?
V125BC [204]

Answer:

.75mm

Explanation:

jak ammu chamba lng

5 0
3 years ago
Other questions:
  • Air is compressed adiabatically from p1 1 bar, T1 300 K to p2 15 bar, v2 0.1227 m3 /kg. The air is then cooled at constant volum
    13·1 answer
  • Technician A says that a magnetic field can be created by current flow. Technician B says that current can be induced by moving
    5·1 answer
  • Part A - Transmitted power A solid circular rod is used to transmit power from a motor to a machine. The diameter of the rod is
    8·1 answer
  • # 17
    13·2 answers
  • If these components have weights WA = 50000 lb , WB=8000lb, and WC=6000lb, determine the normal reactions of the wheels D, E, an
    14·1 answer
  • Different Gauss quadrature formulae predict different values for the same integral a. True b. False
    11·1 answer
  • What invention of the Middle Ages contributed to making books easily available?
    15·1 answer
  • The Imager for Mars Pathfinder (IMP) is an imaging system. It has two camera channels. Each channel has color capability. This i
    7·1 answer
  • 10.) A solid circular titanium control rod at 7,000 lb axial tension force where stress must not
    15·1 answer
  • Key term of Bimetal strip
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!