Calculations with Vector Quantities

Ako:

• Revise how to break down a vector into horizontal and vertical components, or calculate a vector given its horizontal and vertical components.

Waihanga:

• Work from SciPad pages 83 to 89.

Momentum and Impulse

Ako:

• Understand the physics concepts of momentum and impulse.

• Perform calculations that link the quantities of momentum, change in momentum, and impulse, to the forces involved.

• Understand the principle of conservation of momentum as it applies to collisions and explosions.

Waihanga:

• Work from SciPad pages 90 to 98.

Centre of Mass

Ako:

• Understand the concept of centre of mass, and how we can use conservation of momentum to analyse the motion of systems of objects.

Waihanga:

• Work from SciPad pages 99 to 115.

Forces and Energy

Ako:

• Revise Level Two skills involving energy, work, and power in mechanical systems.

• Use free body diagrams to analyse forces acting on objects in one- and two-dimensions.

Waihanga:

• Work from SciPad pages 118 to 123.

Circular Motion and Gravity

Ako:

• Use free body diagrams to analyse forces acting on objects undergoing circular motion.

• Understand how banked corners on racetracks can help cars travel through turns at higher speeds.

• Understand Newton's Law of Gravitation, and how to use it to calculate the force of gravity between two objects, including satellites orbiting Earth.

• Understand the forces and the energy changes involved in vertical circular motion, under the influence of gravity.

Waihanga:

• Work from SciPad pages 124 to 149.

Angular Measurements and Rotating Systems

Ako:

• Explain the difference between translational (linear) and rotational motion.

• Use equations to calculate angular displacement, angular velocity, and angular acceleration for rotating systems.

• Understand the concepts of torque and rotational inertia, and apply Newton's Laws of Motion as they relate to rotating systems.

• Understand rotational kinetic energy and conservation of total energy when analysing systems undergoing both translational and rotational motion.

• Understand the theory of conservation of angular momentum.

Waihanga:

• Work from SciPad pages 150 to 185.

Oscillating Systems

Ako:

• Understand the concept of simple harmonic motion.

• Use equations to calculate angular frequency, displacement, velocity, and acceleration for objects undergoing simple harmonic motion.

• Use phasors to describe the link between displacement, velocity, and acceleration, and calculate phase difference.

• Describe energy conversions during simple harmonic motion.

• Understand the concepts of damping, forced simple harmonic motion, and resonance.

Waihanga:

• Work from SciPad pages 188 to 227.

Test and Exam Revision Activities

• Complete any Scipad exercises you haven't finished.

• Work on these end of chapter review questions:

  • • Translational Motion (pages 111 to 115).

    • Circular Motion and Gravity (pages 144 to 149).

    • Rotating Systems (pages 182 to 185).

    • Oscillating Systems (pages 228 to 232).

• Work on the practice exam in your Scipad (pages 234 to 239).

• Complete the Physical Quantities List (below).

• Work on the 2023 or 2024 NCEA exams (below).