Aim: To make a a marshmallow shooter and work out what forces are acting on it.
Equipment: Paper cup, scissors, balloon,
Method
1. cut out the bottom of the cup.
2. cut off the neck of the balloon.
3. Stretch the open end of the balloon over the bottom of the cup.
4. Place marshmallow in cup.
5. Pull balloon back to fire marshmallow.
Results:
Discussion: When the marshmallow was in the cup all the forces (thrust, friction, gravity and support)were even as it wasn't moving.
Conclusion: Did it work - yes it work very well
would you change anything - no paper cup marshmallow shooter is way better than others
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