Chronology Current Month Current Thread Current Date
[Year List] [Month List (current year)] [Date Index] [Thread Index] [Thread Prev] [Thread Next] [Date Prev] [Date Next]

Re: [Phys-L] Cavendish



Cavendish measured the torque, right?  Once you know the torque, you can
compute the force from tau = F * r.

On Fri, Feb 16, 2024 at 6:21 PM Anthony Lapinski via Phys-l <
phys-l@mail.phys-l.org> wrote:

> So I teach about universal gravitation and the Cavendish experiment.
> Problem is -- how is the force actually measured? The fiber twists a
> certain amount when the heavy masses are brought close to the hanging bar.
> A torque makes it twist a certain amount, but how does this translate to
> fiorce so that G could be measured?
> _______________________________________________
> Forum for Physics Educators
> Phys-l@mail.phys-l.org
> https://www.phys-l.org/mailman/listinfo/phys-l
>