I understand part a, can someone please explain part b? Thank you so much!

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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I understand part a, can someone please explain part b? Thank you so much!

2.
A gymnast with mass 46.0 kg stands on the
end of a uniform balance beam. The beam is 5.00 m long
and has a mass of 250 kg (excluding the mass of the two
supports). Each support is 0.540 m from its end of the
beam. Answer the following questions.
In unit-vector notation, what are the
forces on the beam due to support 1 and support
а.
2?
b.
What could be the mass of the balance beam such that the gymnast
can just tip the beam at that position?
Transcribed Image Text:2. A gymnast with mass 46.0 kg stands on the end of a uniform balance beam. The beam is 5.00 m long and has a mass of 250 kg (excluding the mass of the two supports). Each support is 0.540 m from its end of the beam. Answer the following questions. In unit-vector notation, what are the forces on the beam due to support 1 and support а. 2? b. What could be the mass of the balance beam such that the gymnast can just tip the beam at that position?
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