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Impulse (physics)

In classical mechanics, impulse (symbolized by J or Imp) is the change in momentum of an object. It is most often used to describe forces which act over short time periods, specifically in the case of impacts and collisions, for which it gets its namesake. Impulse is a vector quantity, meaning it has both a magnitude, which describes the amount by which…

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Common symbols
J, Imp
Conserved?
No
Dimension
L M T − 1 {\displaystyle {\mathsf {L}}{\mathsf {M}}{\mathsf {T}}^{-1}}
Other units
kg⋅m/s in SI base units, lbf⋅s
SI unit
newton-second (N⋅s)

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Variable mass

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Map overview Semantic statistics

Impulse (physics)

Nodes33
Edges32
Triples5
Avg. degree1.94
Density0.060606
Components1

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Impulse (physics)

Top relations

Common symbols · 1
Impulse (physics) → J, Imp
Conserved? · 1
Impulse (physics) → No
Dimension · 1
Impulse (physics) → L M T − 1 {\displaystyle {\mathsf {L}}{\mathsf {M}}{\mathsf {T}}^{-1}}
Other units · 1
Impulse (physics) → kg⋅m/s in SI base units, lbf⋅s
SI unit · 1
Impulse (physics) → newton-second (N⋅s)

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Important terminology

impulse momentum displaystyle mathbf force second mathrm time mass change newton's law delta object often unit frac case used constant

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Impulse (physics)Common symbolsJ, Imp1.00infobox
Impulse (physics)Conserved?No1.00infobox
Impulse (physics)DimensionL M T − 1 {\displaystyle {\mathsf {L}}{\mathsf {M}}{\mathsf {T}}^{-1}}1.00infobox
Impulse (physics)Other unitskg⋅m/s in SI base units, lbf⋅s1.00infobox
Impulse (physics)SI unitnewton-second (N⋅s)1.00infobox

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    Min side: 3
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