Question

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

Have more than one person help to lift the lever.

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

Make a longer lever that will require less force.


Use it with a lighter load to make it easier.

Answer 1

All of the above choices could potentially make the lever system more efficient. A stiffer and longer lever would reduce energy lost through bending and require less force, respectively. Using multiple people could distribute the workload and make it easier to lift. Using a lighter load would also require less energy and make it easier to lift.