Quick Answer: The Fletcher Trolley is an apparatus for verifying Newton's second law, with a 1500mm x 100mm track and a trolley that marks its own motion with an oscillating brush or pen. The marker is driven by 6V DC or clockwork.
Last updated: October 2026
Key Features
Track 1500mm x 100mm
Track of seasoned hardwood or anodised aluminium profile
Oscillating brush/pen recording marker
Marker drive: 6V DC or clockwork
Stainless steel axle bearings
Technical Specifications
Specification
Value
Track
1500mm x 100mm
Material
Seasoned hardwood or anodised aluminium
Recorder
Oscillating brush/pen
Drive
6V DC or clockwork
Bearings
Stainless steel axle bearings
HS Code
9023.00
About This Product
As the trolley accelerates along the track, the oscillating marker leaves a trace whose spacing shows how its speed changes. From the trace, students work out the acceleration and relate it to the applied force and the mass of the trolley.
Frequently Asked Questions
How does the Fletcher Trolley record its motion?
An integrated oscillating brush or pen, driven by 6V DC or a clockwork mechanism, marks the trolley's motion.
