Property talk:P5575

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coefficient of friction
dimensionless scalar value which describes the ratio of the force of friction between two bodies and the force pressing them together

Represents	coefficient of friction (Q1932524)
Data type	Quantity
Allowed units	not applicable
Example	aluminium (Q663) → 0.61 polycarbonate (Q62246) → 0.31
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Minimum and maximum Items with highest numeric value Items with lowest numeric value Database reports/Constraint violations/P5575 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 3 Main statement 1 33.3% of uses Qualifier 2 66.7% of uses

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Units: “novalue”: value unit must be one of listed. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P5575#Units

Required qualifier “together with (P1706)”: this property should be used with the listed qualifier. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P5575#mandatory qualifier, SPARQL