Device to determine the weight of an object by moving {HEAD ~ the object} at a predetermined velocity into {TAIL ~ a probe}, a sensor associated with the probe to indicate the change in momentum to determine the weight 
Device to determine the weight of an object by moving { HEAD ~ the object } at a predetermined velocity into { TAIL ~ a probe } , a sensor associated with the probe to indicate the change in momentum to determine the weight
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH