1
Q
What is a fulcrum?
A
The pivot point
2
Q
What is a class 1 lever?
A
When the fulcrum point is in the middle
3
Q
What is a class 2 lever?
A
When the fulcrum is near the load like a wheel barrow
4
Q
What is a class 3 lever?
A
When the fulcrum is close to the effort like a fishing rod
5
Q
What is the mechanical advantage of a type 1 lever?
A
1 or near 1 either way.
6
Q
What is the mechanical advantage of a type 2 lever?
A
More than 1
7
Q
What is the mechanical advantage of a type 3 lever?
A
Less than 1
8
Q
What is different to a class 3 lever than class 1 or 2
A
It isn’t used to gain a mechanical advantage but to gain speed
Science Principles
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