Joseph uses a lever to lift a box. Where does inefficiency occur in the lever?(1 point)

Responses

where the fulcrum touches the bar
where the fulcrum touches the bar

where Joseph applies the force to the bar
where Joseph applies the force to the bar

under Joseph's feet
under Joseph's feet

where the box is placed

1 answer

The inefficiency in the lever typically occurs where Joseph applies the force to the bar. This is because some energy is lost due to factors such as friction and other resistances, rather than all of the applied force being effectively used to lift the box.