Laws of Motion
Newton's laws, momentum, and the forces that shape our world
In the beginning...
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Lessons
Velocity and acceleration
Practice: Read a velocity-time graph
Forces and free-body diagrams
Practice: Label the forces
Resultant force
Practice: Find the resultant force
Newton's first law
Newton's second law
Practice: Use F = ma
Weight and mass
Practice: Mass or weight?
Friction and air resistance
Practice: Read the skydive
Newton's third law
Practice: Find the partner force
Momentum and collisions
Practice: Collisions
Impulse
Practice: Impulse
Equations of motion
Practice: Pick the equation
Projectile motion
Practice: Projectile problems
Practice: Which law?
Course Complete
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Why things move
Start from Newton's three laws and build up to momentum, impulse, friction, and projectile motion. Interactive simulations bring forces and motion to life.
