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| 'g' BY FREE FALL APPARATUS, MAGNETIC RELEASE
(0128) |
| For determination of acceleration due to gravity 'g' by measuring the time of fall of a steel spherical ball through a known distance. This apparatus consists of an electromagnet driven by a solenoid (for prompt release of the steel sphere on being disconnected) and gate switch unit mounted on a base. Both, electromagnet and the bottom unit provided with 4mm sockets for electrical connection. When the steel sphere strikes the plate of the gate switch unit near the bottom, the same is communicated to the timer by make/break of continuity to trigger the stopping of timer. |
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