A uniform wooden beam AB, 80 cm long and weighing 250 gf, is supported on a wedge 10 cm from end A. Calculate the greatest weight which can be placed on end A without causing the beam to tilt.
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Answer:
75 grams
Explanation:
balancing torque about wedge;
0.250(0.3)=(mg)(0.1)
0.075=m
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