Forces and Motion

Big Ideas: More info...

Objects interact with each other (by contact or at a distance) - giving rise to pairs of forces.
A force acting on an object causes its velocity to change; without a net force, its velocity is constant.

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Episode 220: Momentum and its conservation

This episode introduces the concept of momentum and its conservation.

Lesson 16-19

This episode extends the idea of conservation of momentum to elastic collisions, in which, because energy stored kinetically...

Lesson 16-19

This episode focuses on the forces involved in changing momentum, and introduces the concept of impulse.

Lesson 16-19