An object with a mass of #8 kg# is hanging from an axle with a radius of #39 m#. If the wheel attached to the axle has a radius of #15 m#, how much force must be applied to the wheel to keep the object from falling?

Question

1183 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-07-11T06:41:55

The force is #=203.8N#

enter image source here

The load #L=(8g)N#

Radius of axle #r=39m#

Radius of wheel #R=15m#

Taking moments about the center of the axle

#F*R=L*r#

#F*15=8g*39#

#F=(8*g*39)/15=203.8N#

The force is #F=203.8N#