OT: Speed of light

Dotan Cohen dotancohen at gmail.com
Wed Feb 13 15:07:34 EST 2008


On 13/02/2008, David H Wild <dhwild at talktalk.net> wrote:
>
> Their weight on the moon would be exactly the same as on earth if they used
>  a balance with weights on the other side of the fulcrum.

That is not measuring weight. That is measuring mass. To measure
weight, you need a set, nonvariable reference, such as a spring.

Dotan Cohen

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