Question

A certain lever system is only 30% efficient. The following changes are considered:

change 1: Use a stiffer lever to reduce energy lost bending the lever.
change 2: Make a longer lever that will require less force.
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 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.

Change 2 would make the lever more efficient because this would make it easier to lift.

Answer 1

Change 1 would make the lever more efficient because less energy would be lost bending the lever.