> On 21 Nov 2006 10:10:47 -0800, "Mike" wrote:
>

>>Some time before the 60's. mechanics books refered to centrifugal force
>>as a reaction to the centripetal force, in the inertial frame. In the
>>non-inertial frame the same books had a note that the force is just
>>needed to explain the state of motion not because it is not real but
>>because the choice of a non-inertial frame to apply Newton's laws is a
>>wrong one, i.e. these forces arise in the non-inertial frame because of
>>the wrong choice of frame. As Newton asserted with his bucket
>>experiment, these forces can act only wrt to an inertial frame.
>>
>>Then sometimes in the late 60's relativists came along and to enforce
>>their covariance notions that have their source in the PoR claimed the
>>centrifugal force does not exist in the inertial frame and is
>>ficticious in the non-inertial frame.
>>
>>For starters, force is a definition, just the product of amss and
>>acceleration for cosnatnt mass and any refrence to 'real" or ...

>
>"Henri Wilson" wrote in message
>news:0hu6m2htepso8ab85oaq2ioqlimqfmnrg6@4ax.com...

>> On 21 Nov 2006 10:10:47 -0800, "Mike" wrote:
>>

>>>Some time before the 60's. mechanics...

> On Wed, 22 Nov 2006 11:13:52 +0100, "harry"
> wrote:
>

>> "Henri Wilson" wrote in message
>> news:0hu6m2htepso8ab85oaq2ioqlimqfmnrg6@4ax.com...
>>

>>> Mike, this reference that Andersen providede epitomises the confusion that
>>> surounds centrifugal (outward acting) forces.
>>>
>>> http://regentsprep.org/Regents/physics/phys06/bcentrif/centrif.htm
>>>
>>> Note: it only discusses the movement of the cassette (in the rotating
>>> frame).
>>>
>>> The REAL centrifugal force in this demo is not even mentioned.
>>>
>>> IT IS THE OUTWARD FORCE EXERTED BY THE VEHICLE TYRES ON THE ROAD SURFACE.
>>> It can be directly measured in both rotating and non-rotating frames.

>Henri Wilson wrote:

>> On Wed, 22 Nov 2006 11:13:52 +0100, "harry"
>> wrote:
>>

>>> "Henri Wilson" wrote in message
>>> news:0hu6m2htepso8ab85oaq2ioqlimqfmnrg6@4ax...

> Henri Wilson wrote:

>> On Wed, 22 Nov 2006 11:13:52 +0100, "harry"
>> wrote:
>>

>>> "Henri Wilson" wrote in message
>>> news:0hu6m2htepso8ab85oaq2ioqlimqfmnrg6@4ax.com...
>>>

>>>> Mike, this reference that Andersen providede epitomises the confusion
>>>> that
>>>> surounds centrifugal (outward acting) forces.
>>>>
>>>> http://regentsprep.org/Regents/physics/phys06/bcentrif/centrif.htm
>>>>
>>>> Note: it only discusses the movement of the cassette (in the rotating
>>>> frame).
>>>>
>>>> The REAL centrifugal force in this demo is not even mentioned.
>>>> ...

> On Thu, 23 Nov 2006 10:31:16 +0100, "Paul B. Andersen"
> wrote:
>

>> Henri Wilson wrote:

>>> On Wed, 22 Nov 2006 11:13:52 +0100, "harry"
>>> wrote:
>>>

>>>> "Henri Wilson" wrote in message
>>>> news:0hu6m2htepso8ab85oaq2ioqlimqfmnrg6@4ax.com...
>>>>

>>>>> Mike, this reference that Andersen providede epitomises the confusion that
>>>>> surounds centrifugal (outward acting) forces.
>>>>>
>>>>> http://regentsprep.org/Regents/physics/phys06/bcentrif/centrif.htm
>>>>>
>>>>> Note: it only discusses the movement of the cassette (in the rotating
>>>>> frame).
>>>>>
>>>>> The REAL centrifugal force in this demo is not even mentioned. ...

>Henri Wilson wrote:

>> On Thu, 23 Nov 2006 10:31:16 +0100, "Paul B. Andersen"
>> wrote:
>>

>>> in other cases it acts on your hand).
>>> According to this definition, no centrifugal force
>>> is acting on the car or on the cassette.

>>
>> Paul why do you become confused so easily? Is the cold...