N on n
The 'burden' group
These nouns refer to something that makes things difficult for someone or makes their life stressful.
Older people and people with disabilities are sometimes portrayed as a burden on society.
In the western world today, many women lead busy lives with countless demands on their time.
Most of these nouns, especially burden, demands, and pressure, are sometimes followed by upon instead of on.
The pressures upon her have been intense.
Drag is always preceded by the determiner a.
burden calls claim constraint demands drag drain infringement pressure restriction strain
The manufacturing sector has been a drag on the economy most of this year.