b) Highest point: i) Draw FBD for the bug. ii) Determine the apparent weight of the bug. c) Lowest point: i) Draw FBD for the bug. ii) Determine the apparent weight of the bug. d) Do these results agree with your prediction?
b) Highest point: i) Draw FBD for the bug. ii) Determine the apparent weight of the bug. c) Lowest point: i) Draw FBD for the bug. ii) Determine the apparent weight of the bug. d) Do these results agree with your prediction?
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This is a PRACTICE problem NOT homework
Please do parts B C & D
Transcribed Image Text:4) (ex) Vertical circular motion, "up-side-down," apparent weight: A bug of
mass m is standing inside a can, on the bottom of the can. A string is attached to
the can, and the can and string are whirled in a vertical circle of radius R at a
constant speed v, as shown (at the bottom position only). Give all answers in
terms of m, v, R, and/or g. (See PSL 6.11,12)
a) Prediction: Where do you think the bug feels heaviest? Lightest?
b) Highest point:
i) Draw FBD for the bug.
ii) Determine the apparent weight of the bug.
c) Lowest point:
i) Draw FBD for the bug.
ii) Determine the apparent weight of the bug.
d) Do these results agree with your prediction?
e) At what tangential speed should the bug move so the apparent weight at the top is zero?
f) What is the radial acceleration of the bug at this speed?
-)
g) What is the apparent weight of the bug at the bottom at this speed?
heaviest at
the top
ghtest at the bottom
H
asas to
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