Question
A gymnast with mass m1 = 43 kg is on a balance beam that sits on...
A gymnast with mass m1 = 43 kg is on a balance beam
that sits on (but is not attached to) two supports. The beam has a
mass m2 = 106 kg and length L = 5 m. Each support is 1/3
of the way from each end. Initially the gymnast stands at the left
end of the beam.
A)What is the force the left support exerts on the beam?
B)What is the force the right support exerts on the beam?
C)How much extra mass could the gymnast hold before the beam begins
to tip?
D)Now the gymnast (not holding any additional mass) walks directly
above the right support.
What is the force the left support exerts on the beam?
E)
What is the force the right support exerts on the beam?
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