Question

A certain lever system is only 30% efficient. What could make it more efficient? (1 point)
Responses

Make a longer lever that will require less force.
Make a longer lever that will require less force.

Use it with a lighter load to make it easier.
Use it with a lighter load to make it easier.

Use a stiffer lever to reduce energy lost bending the lever.
Use a stiffer lever to reduce energy lost bending the lever.

Have more than one person help to lift the lever.
Have more than one person help to lift the lever.

Answer 1

Using lubrication on the pivot points to reduce friction.