Her speech made a profound impact on everyone. 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.
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My question is, should it be always followed by the preposition on?
Is the preposition in grammatical here?
Is there a grammarians' consensus as to the usage of impact (as a verb)? This change has no impact on the system's current beha. 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. Impact (early 17th century) comes from the past form of the same source.
Oxford dictionaries gives the following example: I think we should have used on instead: Impact 通常指“ 重大的影响 ”，名词，动词形式都有。 我们先来看 impact: Nowadays, we often see the word impact being used as a verb.
But ngram for impacted him vs impacted on him shows the version without on is much.
