Question: When a physicist says that an object is in equilibrium, what this means is: The object can be balanced on one fingertip The forces acting

When a physicist says that an object is in “equilibrium”, what this means is:

The object can be balanced on one fingertip

The forces acting on the object add up to zero

The forces acting on the object do not add up to zero

The object contains equal amounts of solid and liquid substances

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