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