Question

Force and Work Unit Test

11 of 1211 of 12 Items

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

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

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

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

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

Answer 1

[AI-generated answer — Bot GPT 3.5]

All of the above options could potentially make the lever system more efficient. Using a lighter load would reduce the amount of force required to lift the load, thereby increasing efficiency. Having more than one person helping to lift the lever would distribute the force and make it easier to lift the load. Using a stiffer lever would reduce the energy lost through bending, making the system more efficient. Making a longer lever would also require less force to lift the load, increasing efficiency.