# An object with a mass of 2 kg is hanging from an axle with a radius of 3 m. If the wheel attached to the axle has a radius of 8 m, how much force must be applied to the wheel to keep the object from falling?

Mar 3, 2017

The force is $= 7.35 N$
$2 g \cdot 3 = F \cdot 8$
$F = \frac{6}{8} g = 7.35 N$