Answer on Mechanics | Relativity Question for Manpreet
What is the maximum load ( in Newtons) that can be placed from B before the beam tips? Hint: the beam will start to tip when the reaction force at point point.
Once you have the maximum load calculate the reaction force at point C.
Moments in equilibrium:
The maximum load:
W=2/3 mg=2/3 80(10)=533 N.
The reaction force at point C:
R_C=mg+W=mg+2/3 mg=5/3 mg=5/3 80(10)=1333 N.
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