10. How do you find stress?

Amount of stretch/original length

original length/amount of stretch

11. How do you find strain?

Amount of stretch/original length

original length/amount of stretch

The study of forces and their effects on a system in a state of rest or uniform motion

The study of forces and their effects on a system in a state of ongoing motion.

The study of forces and their effects on a system in a state of stagnant motion

13. What is translational equilibrium?

The state in which there are no unbalanced forces acting on a body

The state in which there are unbalanced forces acting on a body

The state in which there are some unbalanced forces acting on a body

14. What is rotational equilibrium?

The state in which the sum of all clockwise moments equals the sum of all counterclockwise moments about a pivot point

The state in which the sum of all clockwise moments equals the sum of all clockwise moments about a pivot point

The state in which the sum of all counterclockwise moments equal the sum of all counterclockwise moments about a pivot point

16. What are some common aerospace materials?

wood, steel, and fiber-reinforced composites

17. What are factors for selecting materials?

function, material properties, and production

18. What does production consist of?

machinability, availability, and consistency of material

availability and consistency of material

19. What is included in material properties?

Fatigue and effects of environmental heating

23. What are characteristics of wood?

Natural product lower consistency than man-made

Aerospace Semester Exam Review Quiz

50 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

1. A centroid location is determined by an object's line of ...

symmetry

asymmetry

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

2. What is Moment of Inertia?

is a scientific property of a cross section that gives important information about how that cross-sectional area is distributed about a centroidal axis.

is a literal property of a cross section that gives important information about how that cross-sectional area is distributed about a centroidal axis

is a mathematical property of a cross section (measured in inches4) that gives important information about how that cross-sectional area is distributed about a centroidal axis

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

3. A higher moment of inertia produces a greater resistance to deformation.

True

False

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

4. When calculating the moment of Inertia, what does the b stand for?

Thickness of Sample

Width of Sample

Significant Influence

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

5. When calculating the moment of Inertia, what does the h stand for?

Thickness of Sample

Width of Sample

deformation

resistance

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

6. Why are composite materials used in structural design?

It's cheaper

allows support for a weak material that is further away from the beam's center of gravity

it creates strong material that is heavy

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

7. In general, a higher modulus of elasticity produces a lower resistance to deformation.

True

False

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Aerospace Semester Exam Review

1. A centroid location is determined by an object's line of ...

2. What is Moment of Inertia?

3. A higher moment of inertia produces a greater resistance to deformation.

4. When calculating the moment of Inertia, what does the b stand for?

5. When calculating the moment of Inertia, what does the h stand for?

6. Why are composite materials used in structural design?

7. In general, a higher modulus of elasticity produces a lower resistance to deformation.

8. What is tension stress?

9. What is compression?

10. How do you find stress?

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