Objectives

Lesson outcomes

  • Apply the projectile-motion model confidently in mixed practice questions.
  • Choose an efficient route through projectile problems using components and time.
  • Explain common projectile-motion errors and correct them in your own working.
Syllabus

CIE 9702 syllabus points

1 linked

Lesson Notes

Student guidance and lesson notes

Overview

This lesson is for making projectile motion feel routine. The goal is not to memorise one method, but to recognise the structure of the problem quickly and choose a clean route through it.

What You Need to Know

  • Most projectile questions need a diagram, resolved components, and separate horizontal and vertical working.
  • If the question gives or asks for range, the horizontal equation is likely to be important.
  • If the question gives or asks for maximum height or time of flight, the vertical equation is likely to be important.
  • A clear sign convention and labelled components make longer questions much easier to check.

How to Work Through It

  1. Start with short component and SUVAT warm-up questions.
  2. Work through one model projectile answer slowly, focusing on layout.
  3. Complete mixed MCQ and past-paper style questions.
  4. Mark your working for method errors as well as numerical errors.

Check Your Understanding

  • What information belongs in the horizontal column?
  • What information belongs in the vertical column?
  • Which step tells you the time of flight?
  • How can you spot that you have used the wrong velocity component?

Common Mistakes

  • Skipping the diagram and then losing track of direction.
  • Using g in the horizontal calculation.
  • Treating the final vertical velocity as zero when the projectile lands.
  • Giving a correct number with no clear method, which makes the answer hard to check.

Next Steps

  • Use the practice resources to identify your weakest projectile question type.
  • Add one corrected model answer to your notes for future revision.
Lesson Resources

Materials for this lesson

Use these videos, slide decks, documents, or links to work through the lesson.