A machine lifts a load of 150 kg through a distance of 0.17 m when the effort of 200 N moves through a distance of 1.7 m. What is the VR, the MA and the effciency? A machine has an effciency of 60%....

A machine lifts a load of 150 kg through a distance of 0.17 m when the effort of 200 N moves through a distance of 1.7 m. What is the VR, the MA and the effciency?

A machine has an effciency of 60%. If an effort of 200 N raises a load of 1000 N, what is the velocity ratio?