Choose the correct alternative.

1. A see-saw is an example of a
first class lever.
second class lever.
third class lever.

2. A floorball stick is an example of a
first class lever.
second class lever.
third class lever.

3. A bottle opener can be used as a
first class lever.
second class lever.
third class lever.

4. The handbrake of a bicycle makes use of a
first class lever.
second class lever.
third class lever.

5. When throwing a ball, your hand acts as a
first class lever.
second class lever.
third class lever.