WorksheetsMechanisms, levers and structures
Total questions: 20
Worksheet time: 11mins
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
A turning effect that can occur on a structure is known as a ______.
Moment
Load
Hoist
True or false? The Forth Road Bridge and the new Queensferry Crossing are both examples of a suspension bridge.
True
False
If a structure is in equilibrium, the sum of all downward forces must equal the sum of all...
Upward forces
Clockwise moments
Loads
Anti-clockwise moments
A beam that is built in at either end is known by which term?
Lever
Cantilever
Encastre
Span
The upward forces that act on a beam at the point(s) of support are known as what?
Ratios
Moments
Actions
Reactions
True or false? A moment will increase the further away a force moves from a turning point.
True
False
Structures, forces and distances can be represented using what kind of diagram?
A sub-system diagram
A free-body diagram
An orthographic diagram
A beam or a member that is being pulled from either end is said to be what?
In tension
In compression
Bending
Twisting
In order to convert a value from kilograms into Newtons, it must be multiplied by what?
100
The force of gravity
Distance
Itself
The technique employed to provide strength and support within frame structures is known by which name?
Triangulation
Optimisation
Elimination
Co-ordination
