Momentum and conservation of momentum: Motion and force: Physics: GCSE (9:1)

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Last updated 3:21 PM on 9/1/26
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14 Terms

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Momentum

The product of mass and velocity

<p>The product of mass and velocity</p>
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p = mv

The equation linking momentum, mass and velocity

<p>The equation linking momentum, mass and velocity</p>
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p

The symbol for momentum

<p>The symbol for momentum</p>
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m

The symbol for mass

<p>The symbol for mass</p>
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v

The symbol for speed and velocity

<p>The symbol for speed and velocity</p>
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Kilogram metres per second (kg m/s)

The SI unit for momentum

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Kilograms (kg)

The SI unit for mass

<p>The SI unit for mass</p>
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Metres per second (m/s)

The SI unit for speed or velocity

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Conservation of momentum

The total momentum before an event is equal to the total momentum after the event in a closed system

<p>The total momentum before an event is equal to the total momentum after the event in a closed system</p>
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Situations where momentum is conserved

Explosions and collisions

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Collision

When two objects meet and interact

<p>When two objects meet and interact</p>
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Explosion

When parts of a system separate and move apart

<p>When parts of a system separate and move apart</p>
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Total momentum before an explosion

Equal to zero because the parts of the system are stationary

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How momentum is conserved after an explosion

The two parts of the system momentum that is equal is size but acts in the opposite direction so they cancel out