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Apparatus for Determining "g" During the Free Fall of Bodies
Apparatus for Determining "g" During the Free Fall of Bodies (Product Code: SCL-391/05) is a free-fall timing apparatus used to measure the acceleration due to gravity, g, from the time a steel ball takes to fall a known height in school and college physics laboratories. A micro-magnet holds the ball, contact pins start the timing on release and a contact plate stops it on impact. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India, a physics instruments supplier for teaching laboratories.
Specifications
| Parameter | Detail |
|---|---|
| Timing | Digital stopwatch, time in seconds |
| Height measurement | Tape measure (1.5 m, 2 m as listed); scale on the column |
| Spherical bodies | Diameter 50–100 mm (as listed); 3 steel balls included |
| Ball release | Micro-magnet holds the ball in its start position |
| Start contacts | Three contact pins under the release mechanism give a reproducible start position and open as a switch on release to begin timing |
| Stop contact | Contact plate at the bottom stops the timer and holds the ball so it does not bounce |
| Drop height | Adjustable to a fraction of a millimetre, read from the scale on the column |
| Product code | SCL-391/05 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is the g by Free Fall Apparatus Used For?
Students set a drop height on the column, place a steel ball on the magnet and release it; timing runs from the moment the contact pins open until the ball lands on the contact plate. Using h = ½gt², each height and time pair gives a value of g, and repeating the run at several heights lets students plot h against t² and take g from twice the gradient. Because the ball starts from a reproducible position and does not bounce at the bottom, repeat readings stay consistent.
Set the height carefully and read the column scale at eye level, since small height errors matter over short drops. Keep the contact surfaces clean, stop the balls from rolling off the bench, and use the tape measure to cross-check the column scale. The experiment is a standard mechanics practical for senior-school and first-year college physics.
What to Specify When Ordering
- Tape measure length: 1.5 m or 2 m, as listed.
- The number of sets for your student groups.
- Whether you want spare steel balls or an additional digital stopwatch.
Supplier
Jain Scientific Equipments Private Limited, trading as ScienceLab from Ambala, Haryana, supplies this free-fall apparatus to schools, colleges and dealers, together with the stopwatches and tapes used in mechanics practicals. Sourcing the complete g-measurement setup from one supplier keeps ordering and paperwork simple. Learn about the company on the ScienceLab profile.
Related Laboratory Equipment
Items that support free-fall and gravity practicals:
- Apparatus for Demonstrating the Free Fall of Bodies — a qualitative demonstration to introduce free fall before measuring g.
- G By Freefall Apparatus and Timer — another catalogue option for measuring g by free fall.
- Stopwatch, Digital — a spare stopwatch for extra timing runs.
- Measuring Tape — for checking drop heights.
- Apparatus Falling Bodies (Projectile) — extends free-fall work to horizontal projection.
More physics apparatus is listed under Laboratory Equipment.
Frequently Asked Questions
What is included with the Apparatus for Determining "g" During the Free Fall of Bodies?
The Apparatus for Determining "g" During the Free Fall of Bodies is listed with a digital stopwatch, a tape measure (1.5 m, 2 m), 3 steel balls, a micro-magnet release with contact pins, a bottom contact plate and a column with a height scale.
How does the g by free fall apparatus start and stop the timing?
In the g by free fall apparatus, three contact pins under the release mechanism act as a switch that opens when the ball is released, starting the timing. When the ball strikes the contact plate at the bottom, the timer stops and the ball is held without bouncing.
How precisely can the drop height be set?
On the Apparatus for Determining "g" During the Free Fall of Bodies, the drop height can be adjusted to a fraction of a millimetre and read off the scale on the column. The maximum column height is not stated, so ask us if you need that figure.
Is a calibration certificate available for the stopwatch?
Calibration-certificate availability for the stopwatch supplied with the Apparatus for Determining "g" During the Free Fall of Bodies should be discussed with us before ordering. Mention it in your enquiry through the contact page.
Who supplies the Apparatus for Determining "g" During the Free Fall of Bodies?
The Apparatus for Determining "g" During the Free Fall of Bodies is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, Haryana, India, to schools, colleges, laboratories and dealers across India and international markets.
What should a quotation request for the g apparatus include?
A quotation request for the Apparatus for Determining "g" During the Free Fall of Bodies should give the code SCL-391/05, the number of sets, the tape length (1.5 m or 2 m), any spare balls or stopwatches, and your delivery location.
Request a Quote
Send your requirement for the Apparatus for Determining "g" During the Free Fall of Bodies through the contact page, or add it to the enquiry cart with the rest of your mechanics list.
Last updated: 24 September 2026
