We were learning about Newton's first law of motion. Which is has to do with Inertia (laziness). If something is at rest it will stay at rest until some force causes it to move. The other part of The first law of motion is that if something is moving it will stay moving at the same speed in the same direction until something causes it to stop.
I observed that it was easier to make the coins fall into the glass gar if there were more coins on the piece of paper. I think this was because there was more weight so the coins were less likely to move when you flicked the paper. The angle of the way you flicked the paper was important too, if you flicked from the bottom the coins were more likely to fall off than if you flicked the side, lots of little flicks was a better tactic then one powerful flick.
Next time I wonder what would happen if we used two dollar coins instead of ten and twenty cent coins. I predict that we will have to use a thicker paper so that the coins don't slip through and fall into the glass without you flicking it.
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