A certain lever system is only 30% efficient. What could make it more efficient? Choose one answer.

Question

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

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

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

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

Answer 1

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