Technological World Flashcards
Technology is best described as…
Solving problems by designing and making objects
What is the overall function of a dishwasher
To clean dirty dishes
What’s a 1st class lever
F in the middle(scissors, seesaw)
What’s a 2nd class lever
R in the middle(wheelbarrow)
What’s a 3rd class lever
E in the middle (golf club)
What is transmission?
Only turning movements or straight movements (never both)
Transmits motion from one part to another without modifying it
What is transformation?
Turning and straight movements
Turns one type of motion into another
What is the main purpose of all simple machines?
To make work easier
(TRUE FALSE)
A person using a fist class lever places the load the same distance from the fulcrum as the effort. If the fulcrum is moved further away from the load, less effort will be required to move the load.
False
What is the manufacturing process sheet?
Describes all the steps required to create the parts of a technical object
What are the three main parts of the manufacturing process sheet?
Equipment, material, time
Definition of energy
Capacity to produce a change
What are the forms of useful energy?
Mechanical energy-movement
Luminous energy-light
Thermal energy-heat
Electrical energy-chemical
What are energy transformations?Give example
The conversion of one form of energy into another
Wind energy, hydraulic energy, biomass, fossil energy, nuclear energy.
What is an incline plane
A ramp
