A-machine-with-a-velocity-ratio-of-5-requires-150J-of-work-to-raise-a-500N-load-through-a-vertical-distance-of-200cm-calculate-a-the-efficiency-b-the-M-A-of-the-machine-

Question Number 34571 by NECx last updated on 08/May/18

A m a c h i n e w i t h a v e l o c i t y r a t i o

o f 5 r e q u i r e s 150 J o f w o r k t o r a i s e

a 500 N l o a d t h r o u g h a v e r t i c a l

d i s t a n c e o f 200 c m, c a l c u l a t e :

a) t h e e f f i c i e n c y

b) t h e M . A o f t h e m a c h i n e