Mechanisms, levers and structures

Which three components make up a lever system?

• Load, Effort, Moment

• Load, Moment, Reaction

• Fulcrum, Effort, Load

• Fulcrum, Effort, Lever

True or false? A cantilever beam is built in at one end only.

• True

• False

Which Greek letter is used to denote the total or 'sum of' several different values?

• Alpha

• Beta

• Delta

• Sigma

Lever systems are primarily used to make work...

• Quicker

• Easier

• Harder

• Quieter

A Coke can is an example of which kind of structure?

• A shell

• A frame

• A solid

Bridges are designed and built in order to (a)   a gap.

Which geometric shape is used to represent the fulcrum within a lever system diagram?

• A triangle

• A square

• A circle

• A parallelogram

Force is measured and presented using which unit of measurement?

• Newtons

• Ohms

• Joules

• m/s

How many different classes (or types) of lever exist?

• 2

• 3

• 4

• 5

In order to calculate a moment, which TWO values need to be multiplied?

• Force

• Distance

• Gravity

• Resistance