# physics

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A 3.0-m-long rigid beam with a mass 130 kg is supported at each end. An 90 kg student stands 2.0 m from support 1. (beam 1 is to the left, and beam 2 is on the right.)

How much upward force does support 1 exert on the beam?

How much upward force does support 2 exert on the beam?

• physics -

I DK

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