Question

Force and Work Unit Test
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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.
Have more than one person help to lift the lever.

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

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

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

Answer 1

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