Asked by Cassie
Calculate the force of friction that keeps a 80-kg person sitting on the edge of a horizontal rotating platform when the person sits 2.4m from the center of the platform and has a tangential speed of 3.2m/s .
Express your answer to two significant figures and include the appropriate units.
Express your answer to two significant figures and include the appropriate units.
Answers
Answered by
Damon
Ac = v^2/r
F = m Ac = m v^2/r
= 80 (3.2^2)/2.4
= 341 N
= 340 N to two figures
F = m Ac = m v^2/r
= 80 (3.2^2)/2.4
= 341 N
= 340 N to two figures
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