Dt EOY

Benefits of introducing new technology to industry include

Cutting Costs by changing to more efficient manufacturing methods

Products being brought to market more quickly

Easier manipulation of information to reduce material and stock holding

A decrease in human error

Demographic Movement

The way in which the population’s structure changes, for example as a result of an ageing community or migration into an area.

Advantages of countries losing people

Fewer people to house and feed

Extra income may be sent back home

Reduced pressure on jobs and resources

Disadvantages of countries losing people

Loss of young people and most able people

Loss of those with good education and skills

Families become divided

Advantages of countries gaining people

Labour shortages can be overcome

Migrants often prepared to take lower paying jobs

Adds cultural diversity

Disadvantages of countries gaining people

Language problems or other cultural barriers to integration

Pressure on housing and health services

Hard Wood (3 examples)

Oak, Ash, Mahogany

Soft Wood (3 examples)

Pine, Larch, Spruce

Manufactured wood (3 examples)

Medium-Density (MDF), Plywood, Chipboard

Ferrous Metal, contain iron (3 examples)

Cast Iron, Low-carbon steel, High carbon (tool) steel

Non-Ferrous Metal, don’t contain iron (3 examples)

Tin, Zinc, Copper

Alloys (3 examples)

Brass, Stainless Steel, High-speed steel (HSS)

Polymers (3 examples)

Polyviyl Chloride (PVC), Acrylic ,Polyethelene

Thermosetting plastics (3 exampleS)

Epoxy resin, Polyester resin, Urea-formaldehyde(UF)

Natural fibres (3 examples)

Cotton, Wool, Silk

Synthetic fibres (3 examples)

Nylon, Polyester, Spandex

Linear motion

moves something in a straight line, eg a train moving down a track:

Rotary Motion

where something moves around an axis or a pivot point, eg a bike wheel.

Reciprocating motion

has a repeated up and down motion or back-and-forth motion, eg a piston or pump:

Oscillating Motion

has a curved backwards and forwards movement that swings on an axis or pivot point, eg a swing or a clock pendulum

effort

• the amount of force applied by the user, also referred to as the input

fulcrum

where the lever pivots

load

the weight that needs to be move, also known as the output

Mechanical advantage

Load (Newtons) / effort (Newtons)

First Order

effort, fulcrum, load

Second Order

Effort, load, fulcrum

Third Order

Fulcrum, effort, load