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