Question: 3 . The 4 m - long beam supports a mass ( mathrm { m } = 2 5 0 mathrm {

3. The 4 m -long beam supports a mass \(\mathrm{m}=250\mathrm{~kg}\).
a) Find the force in the Brace.
b) Find the total magnitude of the reaction at \( A \).
3 . The 4 m - long beam supports a mass \ ( \

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