Lever resistance (or load). It is common to call the input force "the effort" and the output force "the load" or "the resistance." This allows the identification of three classes of levers by the relative locations of the fulcrum, the resistance and the effort: These cases are described by the mnemonic "fre 123" where the fulcrum is in the middle for the 1st class lever, the "r"esistance is in the middle for the 2nd class lever, and the effort is in the middle for the 3rd class lever. The lever is a movable bar that pivots on a fulcrum attached to
Lever (company) Lever (company) Lever is a US-based software company headquartered in San Francisco, California that provides an applicant tracking system for hiring. It was founded in 2012 by Sarah Nahm, Nate Smith, and Randal Truong. Lever raised $2.8 million in a seed round in September 2012, $10 million in its Series A round in October 2014 and a further $20 million in its Series B round in January 2016. In July 2017, Lever raised $40 million in July 2017, bringing their total funding to $70 million. It is backed by an advisory board which includes Aaron Levie, CEO of Box, Marissa