Impact (early 17th century) comes from the past form of the same source. But ngram for impacted him vs impacted on him shows the version without on is much. Nowadays, we often see the word impact being used as a verb.
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This change has no impact in the system's current behaviour.
The use of impact as a verb to indicate greater effect seems to have come into use in the 1960s.
Purely aesthetically, i'd prefer impact on, although the transitive form is useful in the passive. Is the preposition in grammatical here? I think we should have used on instead: This change has no impact on the system's current beha.
Oxford dictionaries gives the following example: 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 rapid. Is there a grammarians' consensus as to the usage of impact (as a verb)? Should it always take the preposition on or is it a matter of personal preference?
Her speech made a profound impact on everyone.
