But ngram for impacted him vs impacted on him shows the version without. Should it always take the preposition on or is it a matter of personal preference? Is there a grammarians' consensus as to the usage of impact (as a verb)?
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The use of impact as a verb to indicate greater effect seems to have come into use in the 1960s.
My question is, should it be always followed by the preposition on?
I think we should have used on instead: This change has no impact on the system's. Impact (early 17th century) comes from the past form of the same source. This change has no impact in the system's current behaviour.
Jacs au将作为jacs的补充，与世界上被引用最多的化学出版物《 jacs》的出色编辑和出版标准相匹配 launching in 2020, this fully open access journal will allow for the. Her speech made a profound impact on everyone. Oxford dictionaries gives the following. Is the preposition in grammatical here?
Nowadays, we often see the word impact being used as a verb.
