Question

2.
[MA = 2.5, VI
A lever has efficiency 60% and mechanical advantage 4, then
(1) Calculate effort required 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]​

Answer 1

$\huge\fbox{Hello \: maye}$