physics

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The picture shows a uniform ramp between two buildings that allows for
motion between the buildings due to strong winds. At its left end it is
hinged to the building wall , at its right end it has a roller that can
roll along the building wall. There is no vertical force on the roller
from the building, only a horizontal force with magnitude Fh . The
horizontal distance between the buildings is D=4.00 m . The rise of the
ramp is h= 0.490m. A man walks across the ramp from the left Picture 5-1
gives Fh as a function of horizontal distance x of the man from the
building at the left. What are the masses of (a) the ramp and (b) the
man ?

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