Which statement best describes work?(1 point) Responses Work is done whenever an object is held in place by multiple forces. Work is done whenever an object is held in place by multiple forces. Work is done when a force causes an object to move. Work is done when a force causes an object to move. Work is done whenever a force acts on an object. Work is done whenever a force acts on an object. Work is done when an object continues in motion without a push.
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 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 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 you push the shovel downward into the dirt and a small force allows you to push down into the dirt easil