# Mechanics: State, explain, interpret and apply momentum and force

### Subject outcome

Subject outcome 2.2: State, explain, interpret and apply momentum and force

### Learning outcomes

- Define and calculate momentum and calculate the change of momentum of an object.
- Define impulse ([latex]\scriptsize {{F}_{{nett}}}\cdot t[/latex]) as the change in momentum and use [latex]\scriptsize {{F}_{{nett}}}\cdot \Delta t=m\cdot \Delta v[/latex] for calculations and problem solving.
- Define Newton’s third law and identify examples of interacting objects that exert equal forces on each other.
- Define the law of conservation of momentum.
- Identify and distinguish between elastic and inelastic collisions; and apply law using calculations.

### Unit 1 outcomes

By the end of this unit you will be able to:

- Define and calculate momentum.
- Calculate the change of momentum of an object.
- Define impulse ([latex]\scriptsize {{F}_{{nett}}}\cdot t[/latex]) as the change in momentum and use [latex]\scriptsize {{F}_{{nett}}}\cdot \Delta t=m\cdot \Delta v[/latex] for calculations and problem solving.

### Unit 2 outcomes

By the end of this unit you will be able to:

- Define Newton’s third law and identify examples of interacting objects that exert equal forces on each other.
- Define the law of conservation of momentum.
- Distinguish between elastic and inelastic collisions.
- Apply the law of conservation of momentum in calculations on different types of collisions.