On which type of simple machine would you found a fulcrum? explain what a fulcrum is.

A lever is a long bar that can turn around a point, which is called a fulcrum. When the fulcrum is in the middle, you can put a heavy object on one end and push down on the other end to lift it. The closer the fulcrum is to the object that you are lifting, the easier it is to lift. If you've ever played on a seesaw (or teeter totter), then you've used a lever.

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for starters, there is the structural trend of rising primary government expenditure as a share of gdp, which reached 36% in 2014, up from 22% in 1991. this increase reflected a political desire to address the poverty and inequality that had gone unaddressed during previous decades. to support the increase, brazil’s government increased taxes on consumption and promoted progress toward labor-market formalization. nonetheless, public investment, particularly in infrastructure, took a hit. in fact, with the exception of the 2005-2008 period, total investment as a share of gdp has remained below 20% since 1991.