Physics, 23.11.2020 14:00 NylaJohn29
2. A lever has efficiency 60% and mechanical advantage 4, then
(i) Calculate effort require to lift 1000 N load. [250 N]
(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]
Answers: 2
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2. A lever has efficiency 60% and mechanical advantage 4, then
(i) Calculate effort require to lift...
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