Physics Ontology

One map of physics, three ways in. Drill down on any quantity to see its units, the equations it lives in, and how its values span the universe.

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τ\tau
Mechanics

Torque

Rotational equivalent of force.

SI unit

newton metre (N·m)

Dimension: [ML2T2][\,M L^2 T^{-2}\,]

Other units

  • newton metre (N·m)

Order of magnitude

How values of torque span the physical world (in N·m, log scale).

Turning a key
10-1 N·m
Car engine
3.00 × 102 N·m
Lower limit10-2 N·mUpper limit106 N·m

Appears in 1 equation

Torque
τ=rFsinθ\tau = r F \sin\theta