Meter Stick on Support - Physics Demonstrations - Meter Stick on Support | Physics Undergraduate Labs

Purpose

Hanging different masses at different lever arm positions on a pivoted meter stick demonstrates torque balance. Students verify that $$r_1 m_1 = r_2 m_2$$ at equilibrium and predict where to place masses to achieve balance.

Red-and-yellow checkered meter stick balanced on a black pivot stand, with a brass mass hanging from a screw clamp on the left and a larger black cylindrical mass on the right, mass set visible behind the pivot

Figure 1: Meter stick balanced on a central pivot with different masses at different lever arm positions. The screw clamps and support position are adjustable.

Support Meter Stick

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