2D Motion – an algebraic approach

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Presentation transcript:

2D Motion – an algebraic approach

Get yer brains ready!

Adding vectors From yesterday we know that adding vectors that are perpendicular is relatively straightforward. Adding non-perpendicular vectors algebraically involves breaking them down into perpendicular parts.

This is NOT a scale diagram This is NOT a scale diagram! We have only shown the magnitudes in the diagram.

Find the Magnitude and direction

This handy dandy flow chart might help some people

What if the vectors aren’t perpendicular???

How can we find the magnitudes?

We can add displacement vectors by components! DO THIS WHEN: One vector has a direction DUE north, south, east, or west

What if neither vector has a direction due north, south, east, or west?

Now for Velocity! Adding Velocities in Two Dimensions

Example 1 – No Current

Example 2 – with current! Current = 24 km/h [E]