Variable-displacement load-sensing pressure-compensating hydraulic systems are being discussed. technician a says the system uses only a fraction of a horsepower when the system requires no flow. technician b says the system costs more to manufacture than open-center and pressure-compensating systems. who is correct?

The force will determine the acceleration.

Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.

Which are causes of mechanical weathering? (check all that apply) a. acid rain b. plant growth c. animal actions d. carbon dioxide e. pressure release i chose b & e and got the question wrong.