Free Fall Laboratory Experiment 2
with your smartphone

To study free fall in laboratory you will need :

• 1 smartphone

• 1 chair

Let start step by step :

Step 1)

Download the 'Graphical AnalysisTM' application on your android's smartphone .

Step 2)

Open the app

Step 3)

Click the plus button on the right upper corner to create a new experiment.

Step 4)

Select "capteurs intégrés" or "built-in sensors"

Step 5)

Click the button to start record 

Step 6)

Sitting up on a chair. And jump without moove the smartphone.

Click again on the square to stop recording.

Step 6)

Now you can analyse curves.

   Curves analyse

Part 1: Usual Weight

Part 2: Lower Weight

Part 3: Higher Weight

Part 4: Usual Weight

Conclusion:

When we are on the chair we see the weight is normal. During the fall the weight is lower and when the fall is finished the weight is higher than the normal weight. Then it returns to an usual value.