Examlex
The small piston of a hydraulic lift has a diameter of 8.0 cm,and its large piston has a diameter of 40 cm.The lift raises a load of 15,000 N.
(a)Determine the force that must be applied to the small piston.
(b)Determine the pressure applied to the fluid in the lift.
Economy
The system by which goods and services are produced, distributed, and consumed in a society or geographic area.
Goods And Services
Goods and services constitute the output of an economy, where goods are tangible products and services are intangible activities that provide value to consumers.
Scarcity
The limited nature of society’s resources.
Trade-Offs
Situations where having more of one thing necessarily means having less of another because of limited resources.
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