Uploaded September 2025 | Updated September 2026, 2 weeks ago
How to measure the acceleration of freefall due to gravity, by using the trapdoor method (and the Lascells kit lascells.com/product/g-by-free-fall/)
Extra videos and resources: alevelphysicsonline.com/practical-freefall
Lewis
___________________________________________
📖 CHAPTERS
0:00 – Why Objects Accelerate When Dropped (Freefall Physics)
0:50 – SUVAT Equations and Measuring Gravity (A Level Physics)
2:15 – Plotting Graphs to Find g (Practical Physics Skills)
2:50 – Trapdoor Method Free Fall Experiment (Required Practical)
5:30 – Accuracy, Errors, and Improvements in Measuring g
🚨 WATCH NEXT
All of AQA Waves Explained - A Level Physics: youtu.be/fbAm5psmdKY?si=-fc3writvZb_ZMGM
All of AQA Electricity Explained - GCSE Physics: youtu.be/EmCGF49Uils?si=TOq8HUraOXsSqU2c
🔍 MENTIONED IN THE VIDEO
► Daily Workbooks: amazon.co.uk/Physics-Online/e/B09SHQ5R4B
► Practice Papers: https://physicsonline.shop/
► Premium Plans: physicsonline.com/premium-plans
___________________________________________
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► GCSE Students: gcsephysicsonline.com
► A Level Students: alevelphysicsonline.com
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Unlock access to every video and resource for up to 36 months.
► physicsonline.com/premium-plans
🎁 FREE RESOURCES
From Revision Guides to Practice Papers, download our free resources here.
► GCSE: physicsonline.com/gcse-free
► A Level: physicsonline.com/alevel-free
📝 SHOP PRACTICE PAPERS
Visit the shop to download both GCSE and A Level Practice Papers we've made so that you can practice as many questions as possible before your exams. Teacher editions also available.
► https://physicsonline.shop/
📘 SHOP DAILY WORKOUT (Amazon Exclusive)
Practice A Level questions everyday in the lead up to your exams with our series of books to support your learning all year round. With answers, worked solutions and video work-throughs.
► amazon.co.uk/Physics-Online/e/B09SHQ5R4B
📲 FOLLOW US
► TIKTOK: tiktok.com/@physicsonline
► INSTAGRAM: instagram.com/physicsonline
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► TWITTER: twitter.com/legophysicsguy
► LINKEDIN: uk.linkedin.com/company/physicsonline
👨🏫 ABOUT PHYSICS ONLINE
Quality trusted Physics so that you can achieve your highest grade. Founded by Lewis, a former Physics Teacher and Head of Science, Physics Online is now the leading brand for Physics videos and resources. With affordable Premium Plans and School Subscriptions, thousands of students and schools now use our resources to learn and revise every day.
Find out more here: ► physicsonline.com
#PhysicsOnline
How to measure the acceleration of freefall due to gravity, by using the trapdoor method (and the Lascells kit lascells.com/product/g-by-free-fall/)
Extra videos and resources: alevelphysicsonline.com/practical-freefall
Lewis
___________________________________________
📖 CHAPTERS
0:00 – Why Objects Accelerate When Dropped (Freefall Physics)
0:50 – SUVAT Equations and Measuring Gravity (A Level Physics)
2:15 – Plotting Graphs to Find g (Practical Physics Skills)
2:50 – Trapdoor Method Free Fall Experiment (Required Practical)
5:30 – Accuracy, Errors, and Improvements in Measuring g
🚨 WATCH NEXT
All of AQA Waves Explained - A Level Physics: youtu.be/fbAm5psmdKY?si=-fc3writvZb_ZMGM
All of AQA Electricity Explained - GCSE Physics: youtu.be/EmCGF49Uils?si=TOq8HUraOXsSqU2c
🔍 MENTIONED IN THE VIDEO
► Daily Workbooks: amazon.co.uk/Physics-Online/e/B09SHQ5R4B
► Practice Papers: https://physicsonline.shop/
► Premium Plans: physicsonline.com/premium-plans
___________________________________________
🔔 Subscribe for more FREE revision videos and resources:youtube.com/@PhysicsOnline 🔔
💻 REVISION WEBSITES
Join thousands of students and schools using our websites to learn and revise for your exams. Every video is organised by exam board and topic.
► GCSE Students: gcsephysicsonline.com
► A Level Students: alevelphysicsonline.com
🎟️ PREMIUM PLANS
Unlock access to every video and resource for up to 36 months.
► physicsonline.com/premium-plans
🎁 FREE RESOURCES
From Revision Guides to Practice Papers, download our free resources here.
► GCSE: physicsonline.com/gcse-free
► A Level: physicsonline.com/alevel-free
📝 SHOP PRACTICE PAPERS
Visit the shop to download both GCSE and A Level Practice Papers we've made so that you can practice as many questions as possible before your exams. Teacher editions also available.
► https://physicsonline.shop/
📘 SHOP DAILY WORKOUT (Amazon Exclusive)
Practice A Level questions everyday in the lead up to your exams with our series of books to support your learning all year round. With answers, worked solutions and video work-throughs.
► amazon.co.uk/Physics-Online/e/B09SHQ5R4B
📲 FOLLOW US
► TIKTOK: tiktok.com/@physicsonline
► INSTAGRAM: instagram.com/physicsonline
► YOUTUBE: youtube.com/@PhysicsOnline
► TWITTER: twitter.com/legophysicsguy
► LINKEDIN: uk.linkedin.com/company/physicsonline
👨🏫 ABOUT PHYSICS ONLINE
Quality trusted Physics so that you can achieve your highest grade. Founded by Lewis, a former Physics Teacher and Head of Science, Physics Online is now the leading brand for Physics videos and resources. With affordable Premium Plans and School Subscriptions, thousands of students and schools now use our resources to learn and revise every day.
Find out more here: ► physicsonline.com
#PhysicsOnline
