Asked by Anonymous

A gymnast with a mass of 54 kg stands on the end of a uniform balance beam as shown in the figure. The beam is 5.00 m long and has a mass of 250 kg. Each support is 0.54m from the end of the beam. What is the force on the beam due to support 2?
0
----------------------
I1 I2
0=gymnast
I=support
Answered by Anonymous
Support 2 is at the other end and the gymnast is supposed to be over support 2
Answered by Damon
I am going to assume the gymnast is standing on the end, not over the support2. Otherwise this is trivial.

moments about support 1

2.5 - .54 = 1.96 from middle to support

250(1.96) + 54(2.5+1.96) = F2 (2*1.96)


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