1. Get a coin. Throw coin upward. Observe what happens
2. Slide the coin on the floor. Infer why the coin slows down and stops.
3. Prepare a feather and a coin. Hold the feather and the coin 2 meters above the floor or grounds. Observe which one will reach the ground first. If you drop the feather and the coin at the same time.
1. Which of the following reached the object on the ground?
2. what kind of force causes the coin to fall describe it.