3: King Kong's Pendulum
While climbing the Empire State
peaks into one of the corporate windows, and sees a poster with Tarzan
swinging from a vine. Our furry friend decides he'd much rather be
from vines instead of hanging outside of skyscrapers When King Kong is
swinging from a vine, what forces are acting on him?
The forces we discussed
1. We assume that King Kong
travelled to the jungles on Earth, so he still experiences the Earth's
gravitational force, Fmg.
2. The overgrown gorilla is not
contact with any surface, so there is no normal
3. Again, he is not in contact
any surface, so neither static friction
kinetic friction is exerted on him.
4. No one or thing is pushing
pulling on King Kong (and who or what
want to?), but there is a tension T in the vine holding him
to: Example 4: The Elevator
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