GS-202 Second Law Apparatus


SKU: GS-202 Category:


The essence of Newton’s Second Law of Motion: The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.

Known as the famous equation F=ma. The electrical solenoid throws one ball and drops the other. Since gravity works equally on both balls, they will strike the floor at the same time. A good choice when planning to photograph falling objects with a stroboscope.

Comes with cord and in-line switch and clamping rod.

Clamp, post, and tripod are shown for demonstration purposes only and are not included.
Can be fitted for 220 v.  Please contact us for pricing and details.

Additional information

Weight 2 lbs
Dimensions 4.75 × 4.75 × 7.75 in

Replacement Parts

This is the only requested part for this product, but please be assured that whatever you might need is readily available.

Please contact us for any replacement part that might be needed.

Please click part to view and order.

RP-401 Pair of drilled balls

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