Flight. Brainstorm. Gravity vs. Drag. Two things affect the descent rate of an object falling through air: Gravity. Wind resistance (drag). These two forces act together, one pulling the object towards the earth, the other slowing it down. Terminal Velocity. Did You Know?
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Flight
Brainstorm
Gravity vs. Drag
Did You Know?
The terminal velocity for a human being is 200 km/h!
The balance of the two results in a maximum rate of descent.
Drag
Gravity
1) Bernoulil’s Law of Pressure: The faster air flows, the less pressure it has.
2) Law of Flight: Objects always go from high pressure to low pressure.
3) Newton’s Third Law: This law says that if there Is a force in one direction, there is an equal force In the opposite direction.