H1 Physics 8867 · Topic 5
Projectile Motion
A reviewed 8867 repair guide for Projectile Motion.
Before you begin
Use the diagnostic first. Complete the assigned explanation, worked transfer, guided practice and independent practice in order before the assessment and delayed re-test.
How the ideas connect
- Weight and perpendicular motion components
- Potential energy in a uniform gravitational field
- Air resistance and terminal velocity
Learn in order
Lesson route
Objective clusters
- 01Weight and perpendicular motion componentsResolve the motion: horizontal velocity is uniform while vertical motion has uniform gravitational acceleration when air resistance is neglected.
- 02Potential energy in a uniform gravitational fieldUse the signed vertical height change in ΔEp = mgΔh and keep the field approximately uniform.
- 03Air resistance and terminal velocityAs a body falls, gravitational potential energy decreases; kinetic energy rises while it accelerates and energy is transferred thermally by drag. At terminal velocity weight and drag balance, acceleration is zero and kinetic energy is constant, but gravitational potential-energy loss continues to be transferred to thermal stores.
Prove your understanding
Practice and repair
Key ideas and reference
Use these Projectile Motion checkpoints to choose the objective cluster that needs attention.
- A reviewed 8867 repair guide for Projectile Motion.
- Resolve the motion: horizontal velocity is uniform while vertical motion has uniform gravitational acceleration when air resistance is neglected.
- Use the signed vertical height change in ΔEp = mgΔh and keep the field approximately uniform.
- As a body falls, gravitational potential energy decreases; kinetic energy rises while it accelerates and energy is transferred thermally by drag. At terminal velocity weight and drag balance, acceleration is zero and kinetic energy is constant, but gravitational potential-energy loss continues to be transferred to thermal stores.
Course coverage and review details
Restricted to 8867 topic 5(a)–(e), PDF page 14; H2-only depth and omitted H2 topics do not contribute to this profile.
Recorded selected-response work supports formative repair. It does not by itself prove constructed, diagrammatic or practical performance.
Reviewed 2026-08-01