That depends how far you want to move it. If you are just pulling it out to clean around it, you can leave the food in it.
If you need to move it a distance, I'd recommend emptying it. Containers inside add considerable weight and could shift causing spills and damage.
Keeping hot food in the refrigerator will make the food cold. It will not damage your refrigerator.
A fridge operate more efficiently when the cold air that cools the food can move around
zero
Turn off the refrigerator when you have removed all of the food and have cleaned it thoroughly. Otherwise, you risk trapping in odors of spoiled food, bacteria and such.
It cools food
Preserves food.
Anything that can not last in air very long and that is perishable.
Food does spoil in the refrigerator. The growth of spoilage bacteria is slowed down due to the colder temperatures.
If an object is not moving, then the net forces working on it are zero. If there were a non-zero net force, the refrigerator would move in the direction the force was applied.
If there is any food in the refrigerator, this would be a very bad idea - the food will have gone bad, since the temperature in the refrigerator would reach room temperature in a couple of days.If there is no food in the refrigerator, I suppose it would save money to turn it off.
In the refrigerator.
Yes, unless if the food is rotten.