The work done on the object during this motion is 765 J.
The given parameters;
The work done on the object is determined by applying work-energy theorem.
W = ΔK.E
W = ΔK.E = ¹/₂m(v² - u²)
W = ¹/₂ x 30(10² - 7²)
W = 765 J
Thus, the work done on the object during this motion is 765 J.
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