Free fall

Free fall

1. The magnitude of the free fall acceleration of the Earth's surface is 9.8m/s^2

2. No forces act on an object other than gravitational force

3. Vertical motion

   • y-axis
   • (+) upwards
   • Direction of acceleration is down ad=-g
     • If an object goes up the acceleration makes it slow down
     • If an object goes up the acceleration makes it speed up

4. In 2012, the Red Bull Stratos mission took place. On October 14, 2012, Felix Baumgartner broke the records previously set by Kittinger for the highest free fall, the highest manned helium balloon flight, and the fastest free fall. Kittinger's record for the longest free fall was not broken, Baumgartner pulled his parachute at 4 minutes and 16 seconds; it was deployed four seconds later.

5. Example of motion with constant acceleration

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