Design Process
The first step of the design process.
Investigation
Name the tool you will use to draw with.
Pencil
Structures are either ___________ or ____________.
Man-made or Natural
Which mechanical system has a fulcrum, effort and a load.
Lever
If you put two dry cells together you get a _________.
Battery
Name the second last step of the design process.
Evaluate
Name the drawing that designers use to quickly sketch ideas on rough.
Free-hand drawing
Name two ways you can reinforce a frame structure.
Triangulation and Cross-bracing
A mechanical system can provide you with _________ which makes the work easier.
Mechanical advantage
The resistor is known as a _______ device as it limits the flow of the current.
Why do we use the design process?
To solve a problem or fulfil a need.
The ____________ projection is a 3D representation of an object.
Isometric
Name three type of structures.
Frame, Solid and shell
Name the mechanical system which consists of two or more toothed wheels that can mesh together.
Gears
Name the direction in which the current flows.
From positive to negative
What should be consider when solving a problem?
For who is it, the purpose of the product, safe, easy, cost-effective, aesthetics and the impact of it.
A dark continues line is known as the _________ of the drawing.
Outline
Why does fractures occur in structure?
Lack of strength
Name the mechanical system which works according to Pascal's law.
Hydraulics
How will you ensure that all the lights in your house will shine equally bright even when the light in the kitchen no longer work?
Place the light in a parallel circuit
The _______________ will help the team who builds your solution, to make it exactly to your requirements.
Working drawings
The type of drawing that will show you three different views all of which are drawn as 2D images.
Orthographic projection
Name the forces that can act on a structure.
Tension, compression, torsion, bending and shear.
The _____ is known to change rotary motion into reciprocating (up and down movement) or linear motion.
Cam
If you add more batteries to a circuit (to increase the voltage) and you keep the resistance the same, what will happen to the current?
The current will increase