4.5.4 Moments, Levers and Gears (Physics only) Flashcards
1
Q
How do you calculate a moment?
A
Force applied x distance from fulcrum
2
Q
What is a fulcrum?
A
The turning point of a lever.
3
Q
What is the unit of measurement of a moment?
A
Nm (Newton metre)
4
Q
What is a class 1 lever?
A
A lever where the fulcrum is in the centre and the effort and load are on opposite ends, such as a pair of scissors.
5
Q
What is a class 2 lever?
A
A lever where the fulcrum is on the end, the load is in the centre and the effort is on the opposite end, such as a door.
6
Q
What is a class 3 lever?
A
A lever where the fulcrum in on the end, the effort is in the centre and the load is on the opposite end, such as astapler.
