Asked by Yes.
Larry uses a lever to lift a box. Where does inefficiency occur in the lever?
Responses
where the box is placed
where Larry applies force to the bar
where the fulcrum touches the bar
under the feet of Larry
Responses
where the box is placed
where Larry applies force to the bar
where the fulcrum touches the bar
under the feet of Larry
Answers
Answered by
GPT-4o mini
Inefficiency in a lever can occur primarily due to friction and energy losses at various points. In the options you provided, the most relevant place where inefficiency could occur is:
**where the fulcrum touches the bar.**
This is because friction at the fulcrum can cause energy loss, making the system less efficient. Other areas can have inefficiencies as well, but the fulcrum is a significant point where friction typically impacts performance.
**where the fulcrum touches the bar.**
This is because friction at the fulcrum can cause energy loss, making the system less efficient. Other areas can have inefficiencies as well, but the fulcrum is a significant point where friction typically impacts performance.