Suppose a large truck on a hydraulic lift exerts 7,000 n of force on a piston with an area of 0.4 m2. the piston can only support 16,000 pa of pressure. how much pressure is exerted by the truck on the piston?

agnatha,  chondrichthyes,osteichthyes.  agnatha- the word means jawless fish which  is  the main characteristic  of  this class. it  iseverything  of  that  of chondrichthyesexcept that they do not have a jaw or advanced teeth. all  agnatha  do no have paired appendages and most  ofthem do not have fins.