Momentum Flashcards

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1
Q

Momentum

A

A measurement of how difficult it is to stop a moving object

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2
Q

Equation for momentum

A

Momentum (kgm/s) = Mass (kg) x Velocity (m/s)
p = m x v

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3
Q

Is momentum a vector or scalar quantity? Why?

A

Vector quantity because it has direction as well as magnitude

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4
Q

Conservation of momentum

A

In a closed system, the total momentum before an event and total momentum after an event are the same

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5
Q

Law of conservation of momentum

A

Momentum is conserved in any collision or explosion, providing no external forces to act on the objects

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6
Q

What happens in a closed system where no external forces act?

A

. The total momentum before the collision is equal to the total
momentum after the collision.
. If one object loses momentum, the other object must gain the same
amount of momentum

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