a posting over on wc got me pondering how to measure the force of a rotating object? how does one measure the force of wood into a face? and can this force be compared with the force of a face into a windshield?
my old synapsis can't recall how to calculate the force of a rotating object -- is it centrifugal force = mass * speed^?
say you have a 15 lb block of wood, rotating at 1000 rpm and this impacts your face 20cm away from the rotational axis ... how do you measure the impact to the face?
just wondering (before my next public turning demonstration) if you can mathematically compare the use of a face shield to the use of a seat belt through the force of impact?
my old synapsis can't recall how to calculate the force of a rotating object -- is it centrifugal force = mass * speed^?
say you have a 15 lb block of wood, rotating at 1000 rpm and this impacts your face 20cm away from the rotational axis ... how do you measure the impact to the face?
just wondering (before my next public turning demonstration) if you can mathematically compare the use of a face shield to the use of a seat belt through the force of impact?