Third law
On 22/08/2019 21:34, Bill Wright wrote:
How come it needs much less effort to hold an electric sander against
the work than it does to do the work manually?
Bill
because in theory holding something in place does no work at all
Work = force times distance.
All force, no distance
An infintely large infinitely strong helicopter could hover with no
power input.
--
€śThere are two ways to be fooled. One is to believe what isnt true; the
other is to refuse to believe what is true.€ť
€”Soren Kierkegaard
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