A certain lever system is only 30% efficient. The following changes are considered:
• change 2: Make sting ever to real wil feuin s ending the lever.
Which change would make the lever more efficient?
(1 point)
• Change 2 would make the lever more efficient because less energy would be lost.
• Change 2 would make the lever more efficient because this would make it easier to lift.
• Change 1 would make the lever more efficient because this would make it easier to lift.
• Change 1 would make the lever more efficient because less energy would be lost.