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ZIMSEC A-Level Mechanics

6.1.1Vector representation, operations, resolution and resultants

Vector representation, operations, resolution and resultants in ZIMSEC A-Level Mechanics: what the syllabus expects you to know, the learning objectives and how to practise.
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Learning objectives

What the syllabus expects you to be able to do.

  1. 6.1.1.1Form 5: represent vectors in vector notation, describe their properties and carry out vector operations.
  2. 6.1.1.2Form 5: calculate magnitudes and use unit, position and displacement vectors (triangle law, Cartesian unit vectors) to solve problems.
  3. 6.1.1.3Form 5: resolve vectors and find resultant vectors.

Lessons

  • Vectors in two and three dimensions

    50 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Vector representation, operations, resolution and resultants: sample question

1 mark

Find the magnitude of the vector 2i−3j+6k2\mathbf{i} - 3\mathbf{j} + 6\mathbf{k}.

Only if the answer has a unit, e.g. cm or km/h.

Turn Vector representation, operations, resolution and resultants into a strength.

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