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Year 12 Specialist (Unit 3 & 4) Modelling motion

Force

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Question 1
163477
Let \(i\) be the unit vector in the positive direction of the \(x\)-axis and \(j\) be the vector in the positive direction of the \(y\)-axis. Find:
i) the resultant force in component form
ii) the magnitude and direction of the resultant force

i) \(F = -i + 4j\)
ii) Magnitude = \(\sqrt{17}N\), \(\theta = 104^{\circ}\)

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