en friction vector (n)
― IsA ⟶
Weight: 1.0
en surface force vector (n) Source: OpenCyc 2012
en static friction (n)
― IsA ⟶
Weight: 1.0
en surface force vector (n) Source: OpenCyc 2012
en surface force vector (n)
― IsA ⟶
Weight: 1.0
en force vector (n) Source: OpenCyc 2012