Section B: Enhancing and Social Issues

Question 1

Define compression

Answer 1

force applied to either end of object

Question 2

Desine bending

Answer 2

Both tension and compression forces on either side
(compres-bottom,tesn-top)

Question 3

Define torsion

Answer 3

torsion forces occur when twisting

Question 4

Define tension

Answer 4

pulling force applied to ends

Question 5

Define shear

Answer 5

shear force acts on object in direction perpendicular to length

Question 6

Define reinforced

Answer 6

strengthened by addition of other metals

Question 7

Define strengthened

Answer 7

made stronger/rigid to res. forces

Question 8

Describe bending

Answer 8

curves,arches,tubes add strength without using much material

Question 9

Define webbing

Answer 9

srtong fabric made from high strength material- usuall woven into flap strips under high tension(seatbelt)

Question 10

Describe folding

Answer 10

add strength and felxibility- bend easy

Question 11

Desribe interfacing

Answer 11

adds additional layer for shape, structure and support

Question 12

Describe lamination

Answer 12

bonding 2+ materials together- strength and stability improved
add aesthetics–new finish

Question 13

Name 6 factors to consider in a social/ecological footprint

Answer 13

product miles
mining
corbon emissions
deforestation
social factors
farming-pesticides

Question 14

Name all 6 Rs

Answer 14

rethink
refuse
reduce
reuse
repair
recycle

Question 15

Expalin the safe woking conditions

Answer 15

workers should be provided with it, training and safty equip
laws in place for wage and hours
not all countries have the same

Question 16

How reduce atmospheric pollution

Answer 16

reduce journeys
improve recycle
alt. use of E. -wind,solar-
E. efficient lighting and appliances