Plunger releases on its own
Plunger does not stay set.
Some plungers on carts may start to launch on their own after a bit of time in the field. To resolve this issue, you can use a file or an emery board to lightly grind the surface shown below to make the face perpendicular to the bottom of the plunger.
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The Smart Cart is the ultimate tool for your physics lab and includes built-in sensors for measuring force, position, velocity, three axes of acceleration, and three axes of rotational velocity. Patent No. 10481173
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