Objective:
Activity 2
Investigating inertia
At the end of this activity, you should be able to demonstrate Newton's first law of
motion.
Materials:
empty glass 5-peso coins (5 pcs or more)
cardboard
plastic ruler
1 peso coin
Procedure
Coin Drop
1. Arrange the setup as shown in Figure 7.
2. Slowly pull the cardboard with your hand and observe what happens.
3. Arrange again the setup as shown. This time, quickly flip the cardboard with your
finger. Observe again what happens.
Q1. What happens when you slowly pulled the cardboard? Explain.
Q2. What happens when you flipped the cardboard? Explain.
Stack of Coins
4. Stack the coins on a flat level surface.
5. Quickly hit the coin at the bottom with the edge of the ruler.
Q3. What happens when you hit the coin at the bottom? Why is this so?
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