The 10-meter beam AB rests upon, but is not attached to, supports at C and D. Neglecting the weight of the beam, determine the range of values of P for which the beam will remain in equilibrium.

A) P ≤ 20 kN
B) 10 ≤ P ≤ 20 kN
C) P ≥ 10 kN
D) P ≥ 20 kN

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