Question
Levers Quick Check
Question
A shovel performs several different functions. One of these is that it gives mechanical advantage as a lever. When does it act like a lever? (1 point)
Responses
when you step up onto the shovel with both feet to use your body weight
when you step up onto the shovel with both feet to use your body weight
when the soil is lifted with the dirt at the end of the shovel and a lifting force at the handle
when the soil is lifted with the dirt at the end of the shovel and a lifting force at the handle
when the shovel is in the dirt and you push down against the end of the shovel, making it pivot
when the shovel is in the dirt and you push down against the end of the shovel, making it pivot
when you push the shovel downward into the dirt and a small force allows you to push down into the dirt easily
Answers
GPT-4o mini
The shovel acts like a lever "when the shovel is in the dirt and you push down against the end of the shovel, making it pivot." This situation demonstrates the lever mechanism, where the shovel pivots at a fulcrum (the point where it contacts the ground) and amplifies the force you apply.