In the special position shown for the log hoist, booms AF and EG are at right angles to one another and AF is perpendicular to AB. If the hoist is handling a log weighing 4800 lb, compute the forces due to the weight of the log supported by: Pins at B, in lb

Completely solve. WRITE LEGIBLY OR TYPEWRITE THE SOLUTIONS. BOX THE FINAL ANSWERS. NOTE: DON'T COPY FROM OTHER EXPERTS, DON'T COPY FROM OTHER PLATFORMS, THAT'S WHY I AM ASKING IT HERE. I HOPE FOR YOUR DEEP UNDERSTANDING.

I dont anderstand why M30 is = to 0

solve using analytical way Given a single disk system that rotates as in picture. If: m₁ = 10 kg; R₁ = 15 cm; 0, 30°, m₂ = 15 kg; R₂ = 20 cm; 0₂ = 100°, m3 = 10 kg; R3 = 10 cm; θ3= 160° dan R₂ = 12,5 cm, calculated "me" and "θe"

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A clutch was balanced by having four masses placed on the clutch cover at the same radius. Three of the masses are 40 g, 50 g, and 25 g respectively, and their angular positions from the vertical, in a clockwise direction, are 00, 1200 and 2100 respectively. Assuming that radial force is proportional to the mass, find, by applying the polygon of forces rule, the magnitude and position of the fourth mass. Use scale of 10 mm = 5 g.

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Please don't provide handwritten solution ....

Need help with all four questions please. Include units all steps. Thanks.