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Unit: Two-dimensional motion

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Possible mastery points

Introduction to vectors and two-dimensional motion

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Introduction to two-dimensional motion: vector review
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Practice
Describing two-dimensional motion with vectorsGet 3 of 4 questions to level up!

Analyzing vectors using trigonometry

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Visualizing vectors in 2 dimensions
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Analyzing vectors using trigonometry review
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Practice
Adding and decomposing vectors using trigonometryGet 3 of 4 questions to level up!

Quiz 1

Level up on the above skills and collect up to 200 Mastery points

Graphs of projectile motion

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Projectile motion graphs
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Projectile motion graphs review
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Practice
2D projectile motion: Identifying graphs for projectilesGet 3 of 4 questions to level up!
2D projectile motion: Vectors and comparing multiple trajectories Get 3 of 4 questions to level up!

Horizontally launched projectiles

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Horizontally launched projectile
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Horizontally launched projectile review
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Practice
Solving kinematic equations for horizontal projectilesGet 3 of 4 questions to level up!

Projectiles launched at an angle

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Projectile at an angle
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Optimal angle for a projectile part 1: Components of initial velocity
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Projectiles launched at an angle review
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Practice
Angled launch projectile vectorsGet 3 of 4 questions to level up!
Comparing projectile trajectoriesGet 3 of 4 questions to level up!

Quiz 2

Level up on the above skills and collect up to 500 Mastery points

Angled forces

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Breaking down forces for free body diagrams
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Free body diagram with angled forces: worked example
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Angled forces review
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Practice
Forces at an angleGet 3 of 4 questions to level up!

Inclined planes

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Inclined plane force components
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Ice accelerating down an incline
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Inclined planes review
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Practice
Forces and inclined planesGet 3 of 4 questions to level up!

Friction

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Intuition on static and kinetic friction comparisons
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Static and kinetic friction example
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Friction review
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Practice
Static and kinetic frictionGet 3 of 4 questions to level up!

Quiz 3

Level up on the above skills and collect up to 300 Mastery points
Up next for you:

Unit test

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About this unit

Now that we understand velocity and acceleration well in one-dimension, we can explore scenarios that are even more fun.