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(12 points, suggested time 25 minutes)
A block of mass me can be attached to a parachute of negligible mass and radius T, as shown in the two views
above. When falling, the parachute experiences an upward force of air resistance. This force increases as the speed
of the parachute increases. The falling block and parachute
speed up at first but eventually reach a constant speed
called terminal speed
(a) The dot below represents the block-parachute system when it has reached its terminal speed and is falling at
this constant speed. On the dot, draw and label the forces (not components) acting on the system. Represent each
force by a distinct arrow starting on, and pointing away from the dot.
Note: Draw the relative lengths of all vectors to reflect the relative magnitudes of all the forces.
