How long is beam if balances when fulcrum is placed
A 30.0-kg child sits on one end of a long uniform beam having a mass of 20.0-kg, and a 40.0-kg child sits on the other end. The beam balances when a fulcrum is placed below the beam a distance 1.10-m from the 30.0-kg child. How long is the beam?
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A 40.0-kg child sits on the other end. The beam balances when a fulcrum is placed below the beam a distance 1.10-m from the 30.0-kg child. How long is the beam?
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