Painter on a Ladder!
Find the minimum static coefficient of friction for the ladder to not slip.
Torque on a Square Loop!
Calculate the net force and torque that the magnetic field exerts on the loop.
Toy Mobile!
Calculate the values for the unknown masses so the toy is at equilibrium.
Standing on a Uniform Bar!
Find the maximum distance x where a 75 kg person can stand so the system maintains equilibrium.
Dam Gate!
Find the magnitude of the total torque the water exerts on the gate.
Two Rotating Bars!
Find the maximum current that the bars can tolerate before losing electrical contact with the surface.