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Item #94-4500
g by Free Fall
$95.00
Bundle Discount
Measure the acceleration due to gravity with a simple drop test
The g by Free Fall apparatus offers the simplest, most direct way to measure the acceleration due to gravity through a classic mechanics experiment. Designed for clarity and reliability, this system times a falling ball bearing with precise start and stop signals—eliminating unnecessary complexity. With no power supply required and quick reset between trials, it’s ideal for repeatable, student-friendly investigations of free-fall motion.
Why Teachers Love the g by Free Fall Apparatus
- Simple, reliable design: Removes unnecessary electronics while delivering accurate results.
- Precise timing: Start and stop signals occur at exact moments of release and impact.
- No power supply needed: Works with any sensitive millisecond timer with START/STOP triggering.
- Quick reset: Easy to repeat trials for averaging and improved accuracy.
Resources
Resources
Product Details
How the g by Free Fall Apparatus Works
- Release: Squeezing the “ears” of the release unit drops the ball bearing and simultaneously starts the timer.
- Free fall: The ball accelerates downward under gravity alone.
- Impact detection: When the ball hits the base, an integral microswitch/vibration sensor stops the timer instantly.
- Measurement: Students use the measured time and known drop height to calculate g.
- Repeat: Replace the ball, reset the timer, and run additional trials for improved precision.
The g by Free Fall apparatus strips a foundational physics experiment down to its essentials—making it easier for students to focus on the physics, not the equipment.
Products being sold are not toys. They are for Educational / Laboratory use only. They are not for use by children 12 and under.
Product Specifications
g by Free Fall
What's Included:
Release Mechanism
Base plate with internal sensor
2x 12” banana plug leads (1 red, 1 black)
2x 36” banana plug leads (1 red, 1 black)
8 mm steel ball
12 mm steel ball
g by Free Fall & Millisecond Timer Bundle
What's Included:
g by Free Fall
Millisecond Timer
- Display: 4-digit LED
- Timing range: Millisecond resolution up to 10 sec, auto-ranging up to 9999 sec
- Inputs: 3 sockets (START/STOP), triggered by any change in circuit state
- Gate modes: Gate 1 start/stop, or Gate 1 start, Gate 2 stop (switch-selectable)
- Light gate connection: 3.5 mm sockets
- Power: 5 V DC power supply (included)
- Dimensions: 130 x 100 x 60 mm (5.1" x 3.9" x 2.4"), L x W x H
- Weight: 0.464 kg (1.0 lb)
FAQ
No specifications available.
Warning: California Residents
WARNING: Cancer & Reproductive Harm — www.P65Warnings.ca.gov
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