Question

Vacuums are used in construction to help lay slabs on the ground precisely (see the photo at right). Assume a powerful home vacuum cleaner with a 2.86 cm diameter hose is capable of producing a vacuum very nearly equal to 0 Pa. It’s owner decides to use it to lay down brick tiles in his driveway (a) what are the weight and mass of the heaviest brick that this vacuum cleaner can lift? (b) An octopus can produce suction as well. How much force can an octopus exert if it uses one sucker of 2.86 cm on each face of a clam shell in an attempt to pull the shells apart? Assume the octopus is at a depth of 32.3 m, and it is able to exert the maximum force possible . please solve part b only.

Answer 1