[ODE] AMOTOR

[LR]

Hi,
 
I don't understant what is the difference betwin using a joint (hinge for
exemple) with the following settings :
dParamVel	 Desired motor velocity (this will be an angular or linear
velocity).	
dParamFMax	 The maximum force or torque that the motor will use to
achieve the desired velocity. This must always be greater than or equal to
zero. Setting this to zero (the default value) turns off the motor.	
 
 
and use a joint motor ?
 
 
Can some one explain me what AMotor is ?
 
 
Thank you.
 
 
Laurent.
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