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Physics (AS & A Level) · May / June 2018 · Paper 13 · Question 3

9702Scalars and vectors

A force F acts at an angle θ to the horizontal. What are the horizontal and the vertical components of the force?

  1. Ahorizontal component: F cosθ; vertical component: F cos (90° – θ)
  2. Bhorizontal component: F cosθ; vertical component: F sin (90° – θ)
  3. Chorizontal component: F sinθ; vertical component: F cosθ
  4. Dhorizontal component: F sinθ; vertical component: F cos (90° – θ)

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Correct answer: A. horizontal component: F cosθ; vertical component: F cos (90° – θ)

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