linaoficcial8815 linaoficcial8815 08-02-2024 Physics contestada The MA of a machine is 5 and its efficiency is 80%. It is used to lift a load of 200 kgf to a height of 20 m . What is the effort required?A. 10 kgfB. 20 kgfC. 40 kgfD. 50 kgf