1.Place the card on top of the glass. Make sure there is enough space to give one edge of the card a good flick without smacking your finger on the glass/cup. 2. Place a single coin on top of the card so that it rests over the cup's opening. 3. Flick an exposed edge of the note card. Don't flick the card from underneath. Flick directly from the side of the card's edge. 4. Observe what happens to the coin. Explain what happened.
5. Repeat steps 1-4, add pennys to each trial, and explain what happens when pennies are added. 6. How does this activity relate to the “pull the tablecloth” trick used by magicians?
7. Which of Newton's Laws does this activity demonstrate?
1. The card is placed on top of the glass with enough space to flick one edge of the card without hitting the glass/cup.
2. A coin is placed over the opening of the glass on top of the card.
3. The exposed edge of the note card is flicked directly from the side.
4. When the card is flicked, the coin drops into the glass.
5. When pennies are added on top of the card, they are also dropped into the glass when the card is flicked. This is because the force of the flick pushes the card out from under the coins, causing them to fall into the cup due to gravity.
6. This activity is similar to the "pull the tablecloth" trick used by magicians, as both involve removing an object quickly without disturbing other objects resting on top of it.
7. This activity demonstrates Newton's First Law, which states that an object at rest will remain at rest unless acted upon by an external force. The coin (or pennies) remain at rest on top of the card until an external force (the flick of the card) is applied, causing the coin(s) to fall into the glass due to gravity.