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Locating an object - distance and displacement
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Slide 1

Kinematics

Kinematics

The Study of Motion

Slide 2

Scalar and vector

Scalar and vector

I drove 125 kms and reached my destination

I drove 125 kms south and reached my destination

Slide 3

Scalars

Scalars

Described by their magnitude only

ex. distance(d) = 5 km

speed(v) = 20ft/s

mass(m) = 0.56 g

time(t) = 3.7 s

Slide 4

Vector

Vector

quantities are described by both their magnitude and direction

ex. displacement (d) =5km [north]

velocity (v) = 20ft/s [NW]

force (F) = 340N [fwd]

Slide 5

Distance and displacement

Distance and displacement

distance - how far an object has travelled from its original position

displacement - how far away an object is from its original position

Slide 6

How is the butterflys distance different than its displacement?

How is the butterflys distance different than its displacement?

Slide 7

What is the skiers distance and displacement at t=1min, t=2 min and t=3 min?

What is the skiers distance and displacement at t=1min, t=2 min and t=3 min?

Slide 8

Graphing time and position

Graphing time and position

What does the graph tell us about the objects movement?

Slide 9

How are these two graphs different? What do they tell us about how the motion is different?

How are these two graphs different? What do they tell us about how the motion is different?

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