A man has been guarding a house for one hour . Why is it not considered work in science

An object's buoyant force and weight mean the same thing.a. trueb. false

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?

What component of earth’s atmosphere exists entirely as a result of photosynthesis?