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Projections of a Force on Two Lines

ID: zzsmzke1k5

Problem: Find the projection of \(\mathbf{F} = \{300\,\mathbf{i} - 200\,\mathbf{j} + 400\,\mathbf{k}\}\,\text{N}\) on the \(x\) axis and on the line along \(\{2\,\mathbf{i} + 2\,\mathbf{j} + \mathbf{k}\}\).

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2 Answer Field(s)
3/3 Attempts
#1
\mathbf{F}\cdot\mathbf{i}
\text{N}
#2
\mathbf{F}\cdot\mathbf{u}
\text{N}
Scientific notation supported (e.g. 2e4, 2e-4)

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