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# Year 11 Physics

## Module 2 | Dynamics

### Content 3: Momentum, energy and simple systems

#### Lesson 1 | Conservation of momentum

• conduct an investigation to describe and analyse one-dimensional (collinear) and two-dimensional interactions of objects in simple closed systems (ACSPH064)

#### Lesson 2 | Collisions momentum and energy

• analyse quantitatively and predict, using the law of conservation of momentum $\sum m\vec{v}_{before} = \sum m\vec{v}_{after}$ and, where appropriate, conservation of kinetic energy $\sum \frac{1}{2} m\vec{v}^{2}_{before} = \sum \frac{1}{2} m\vec{v}^{2}_{after}$ the results of interactions in elastic collisions (ACSPH066)

• analyse and compare the momentum and kinetic energy of elastic and inelastic collisions (ACSPH066)

#### Lesson 3 | Impulse graphs

• investigate the relationship and analyse information obtained from graphical representations of force as a function of time

#### Lesson 4 | Impulse

• evaluate the effects of forces involved in collisions and other interactions, and analyse quantitatively the interactions using the concept of impulse ($\Delta \vec{p} = \vec{F}\Delta t$)