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WorksheetsUnderstanding Stress and Strain Concepts
Total questions: 19
Worksheet time: 12mins
What is the equation for Stress?
Stress=FA
Stress=AF
Stress=F×A
Stress=A−F
What are the US Units for Stress?
N/m²
lb/in²
kg/m²
lb/ft²
What is the SI Unit for Stress?
lb/in²
N/m²
kg/m²
N/cm²
What are the US units for Force?
N
kg
lbf
lb
What are the SI units for Force?
lb
N
kg
lbf
What are the US units for Area?
m²
cm²
in²
ft²
What is the SI unit for Area?
m²
ft²
in²
cm²
What are the US units for mass?
kg
lb
g
oz
What is the SI unit for mass?
lb
g
kg
oz
What are the units for Strain?
N/m²
lb/in²
Unitless
m²
What are the units for Young's Modulus?
Same as Force
Same as Stress
Unitless
Same as Area
Which of the following is a unit of Force in the SI system?
lb
N
kg
m
Which of the following is a unit of Area in the US system?
m²
cm²
ft²
mm²
Which of the following is a unit of mass in the SI system?
lb
oz
kg
g
Which of the following is a unit of Stress in the SI system?
lb/in²
N/m²
kg/m²
lb/ft²
N/m^2 is the same as?
Pa
what?
psi
pick number 3 my lord
lb/in^2 is the same as?
Pa
what?
psi
pick number 3 my lord
If a material has a cross-sectional area of 5 square meters and subjected to a normal force of 20 N, which of the following is the stress?
4 Pa
25 Pa
0.4 Pa
15 Pa
How is strain calculated?
Number of sleepless nights divided by number of cups of coffee
Divide load (F) by the original test sample cross-sectional area (A0).
Change in Length (ΔL) under load divided by the original Length (L0)
Stress (σ) divided by strain (ε)
