Physics, 02.01.2021 09:00 makayladurham19

2. A lever has efficiency 60% and mechanical advantage 4, then (i) Calculate effort required to lift 1000 N load. [250 N] (ii
(ii) Calculate velocity ratio of the lever. [VR = 6.66]
(iii) Find out output work to turn load up to 20 m. [20,000 Nm]
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2. A lever has efficiency 60% and mechanical advantage 4, then (i) Calculate effort required to lif...