SITEMAP School-college Physics Notes: Forces & motion 3.5 Physics of a falling parachutist
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Forces and Motion 3.5 The complex behaviour of a falling parachutist, the forces and terminal velocities
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3.5 The complex behaviour of a falling parachutist
How and why does a parachute work? What does it do?
This is an interesting case because it involves an acceleration, a deceleration and two terminal velocities!
The influence of any side-wind is ignored in this analysis.
We now look at the whole sequence of events after the parachutist has jumped out of the aircraft
speed/velocity-time graph for a parachute descent
weight due to gravity W↓ and the drag effect due to air resistance D↑
(I'm ignoring the minor effect of upthrust U↑ that applies to any fluid - gas or liquid)
Keywords, phrases and learning objectives for the physics of a falling parachutist
omplex behaviour of the motion analysis of a falling parachutist.
Know force vectors involved, the concept of two terminal velocities and interpret the descent at various stages with free body diagrams to explaining what is happening to the parachutist at each stage.
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