Design And Technology- Levers Flashcards
1
Q
Lever
A
A rigid bar, that pivots around a fulcrum to transmit a force.
2
Q
Class 1
A
Load fulcrum effort
3
Q
Class 2
A
Fulcrum load effort
4
Q
Class 3
A
Fulcrum effort load
5
Q
Class 1 advantage and disadvantage
A
A- power
D- speed and distance
6
Q
Class 2 advantage and disadvantage
A
A- power
D- speed and distance
7
Q
Class 3 advantage and disadvantage
A
A- speed and distance
D- power
8
Q
Class 1 examples
A
Scissors, pliers and nail clippers
9
Q
Class 2 example
A
Wine opener
10
Q
Class 3 example
A
Stapler and fishing rod
