newton-second
For objects moving with the samevelocity (v), each object'smomentum (p) is proportional to itsmass (m).
General information
Unit system	SI
Unit of	impulse andmomentum
Symbol	N⋅s
Named after	Isaac Newton
InSI base units:	kg⋅m/s

Thenewton-second (alsonewton second; symbol:N⋅s orN s)^[1] is the unit ofimpulse in theInternational System of Units (SI). It isdimensionally equivalent to themomentum unitkilogram-metre per second (kg⋅m/s). One newton-second corresponds to a one-newton force applied for onesecond.

${\displaystyle \overrightarrow{F}\cdot t=\mathrm{\Delta }m\overrightarrow{v}}$

It can be used to identify the resultant velocity of a mass if a force accelerates the mass for a specific time interval.

Momentum is given by the formula:

${\displaystyle \mathbf{p}=m\mathbf{v},}$

• ${\displaystyle \mathbf{p}}$ is themomentum in newton-seconds (N⋅s) or "kilogram-metres per second" (kg⋅m/s)
• ${\displaystyle m}$ is themass inkilograms (kg)
• ${\displaystyle \mathbf{v}}$ is thevelocity inmetres per second (m/s)

This table gives the magnitudes of some momenta for various masses andspeeds.

• Power factor
• Newton-metre –SI unit oftorque
• Orders of magnitude (momentum) – examples of momenta

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