a force (3i+2j) displaces an object through a distance s=(2i-3j)m. the work done is
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as W = Fx d
so F = √(3)^2+(2)^2 = √9+4 = √13N
d = √4+9 = √13
so W = 13J.
so F = √(3)^2+(2)^2 = √9+4 = √13N
d = √4+9 = √13
so W = 13J.
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Work done = force · distance
=(3i+2j) · (2i-3j)
=0 unit
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