Linear Kinetics 2 Flashcards

1
Q

What is an impulse

A

Change in momentum
(Trapezium rule)

Force x time

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2
Q

What is a zero impulse/positive impulse

A

Zero - if + impulse = - impulse, change in velocity and momentum = 0

Positive: if +>- impulse, change in momentum and velocity >0

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3
Q

What is a joule

A

1 j is the amount of energy required to accelerate 1kg mass at 1m/s2 through a distance of 1m

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4
Q

What is potential energy

A

The energy that a body possesses due to its position relative to the earths surface

PE

Weight x distance from earths senses

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5
Q

What is kinetic energy

A

The energy that a body possesses for to movement

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