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Equilibrium Of Torques - Wheels And Axles

Purpose

To demonstrate equilibrium of torques.

Equipment

Wheel and axel assemblies with weights and strings, as photographed.

Images

b2-31

Description

Two wheel and axel assemblies are provided. For each, there are cylinders of smaller radius r and larger radius R. A smaller weight m is suspended from a string wrapped around the larger radius R, and a larger weight M suspended from the smaller radius r. For equilibrium of torques: mR = Mr. Numerical values are written on the apparatus.

References

(PIRA 1J40.27)