Torque #2: Equilibrium
1. Find the force that will cause equilibrium in the massless see-saw.
F
10 N
2m
8m
2. Find the force exerted by the left fulcrum. Assume the beam weighs 100 N and is
uniform.
8m
2m
3.
a)
b)
c)
This beam has a linear density (λ) = (15-x) kg/m (from the left side of the beam).
Find the total mass of the beam.
Find the Xcm of the beam.
Find the force exerted by both fulcrums.
10 m
2m
4m
4.
5.
6. A beam of mass 10 kg is supported by a wire. At the end of the beam, a block of
known weight is hanging. FBD of the beam please. Find and Calculate all the forces on
the beam.