Static equilibrium problems
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- Cable and beam in static equilibrium
- A 20.0 kg lamp is hung from a uniform 12.5 kg beam as shown. Find the tension in the wire, and the horizontal and vertical forces acting on the hinge.
- A 25.0 kg lamp is hung from an 18.0 kg uniform beam as shown. The total length of the beam is 8.50 m. Find the tension in the wire, and the horizontal and vertical forces acting on the hinge.
- Ladder beginning to slide
An 80.0 kg painter climbs 85% of the way up a uniform 25.0 kg ladder before it starts to slip backwards along the ground. What is the coefficient of static friction between the ladder and ground? Assume the wall is frictionless.