SB.2 Forces & Stresses

Question 1

Compression

Answer 1

When pushing force is applied to either end of mat

Question 2

Bending

Answer 2

Both tension & compression forces; tension on one side w compression on other

Question 3

Torsion

Answer 3

Forces occur when a mat is twisted

Question 4

Tension

Answer 4

When a pulling force is applied to either end of mat

Question 5

Shear

Answer 5

Force acts on an object in a direction perpendicular to its length

Question 6

See images for diagrams

Question 7

Enhancing mats

Answer 7

Mats can be enhanced to work w a variety of forces & stresses, improving functionality

Question 8

What does enhancing mats include

Answer 8

Reinforced - strengthened by addition of other mats
Strengthened - made stronger or more rigid to resist certain forces
Made more flexible

Question 9

Enhancing mats: bending

Answer 9

Adding curves, arches, can add strength to products, using minimum amount of mat

Question 10

Enhancing mats: folding

Answer 10

Adds strength, but also felxibility by allowing to bend easily

Question 11

Enhancing mats: lamination

Answer 11

Bonding 2 or more mats tt. Products strength & stability improved. Also for aesthetic finishes

Question 12

Enhancing mats: webbing

Answer 12

Strong fabrics, often woven into flat strips. Used for items under high tension
(Seatbelt)

Question 13

Enhancing mats: fabric interfacing

Answer 13

Adds additional layer to give structure, shape & support