Term 1 Week 8 Energy Work Power

 Homework

Vectors

• Act 9A Vectors p.108-109
• Ex 4A Vectors p.90-94

Kinematics

• Act 8B Graphs of motion p.101
• Act 8C Kinematics p.102
• Ex 4E Kinematics p.115-117

Projectile Motion

• Act 12B Projectile Motion p.140-141
• Ex 4F Projectile Motion p.119-124

Forces

• Act 10A Forces p.117-118
• Act 10B Forces p.123-124
• Ex 4B Forces p.97-104

Circular Motion

• Act 13A p.148-149 Circular Motion
• Ex 4H p.132-134 Circular Motion

Energy

• Act 14B, p. 158-160 Combined Mechanics
• Ex 4J, p. 143-147 Energy, Work, Power

Energy

• Energy can never be created
• Energy can never be destroyed
• Energy can only change its form (Work is done)
• Energy has the ability to make something happen, i.e. to do Work
• The unit for energy is the Joule (J)
• J = Kgm²s-²  in fundamental units

Perpetual Motion Machine?

A Simple Proof of Conservation of Energy

Conservation of Energy

Work & Transformation of Energy

Power & Work Done

Kinetic Energy

Gravitaional Potential Energy

Work, Energy, and Power

Work, Energy and Power Review

Gravitational Potential Energy and Kinetic Energy Skate Park PhET Link - HTML

Work

Work is a transformation (change) of energy from one form to another form. Work only occurs when something is done.

• Power is the rate at which energy is transformed
• Power is the rate at which work is done
• Unit of power Watt (W = J/s)

Power vs Energy

Work, Energy & Power

Kinetic Energy & Gravitational Potential Energy

World's Heaviest Weight - the importance of error reduction through measurement

Week 7 Term 1 2025 Energy

 Homework

Kinematics

• Act 8B Graphs of motion p.101
• Act 8C Kinematics p.102
• Ex 4E Kinematics p.115-117

Projectile Motion

• Act 12B Projectile Motion p.140-141
• Ex 4F Projectile Motion p.119-124

Vectors

• Act 9A Vectors p.108-109
• Ex 4A Vectors p.90-94

Forces

• Act 10A Forces p.117-118
• Act 10B Forces p.123-124
• Ex 4B Forces p.97-104

Graphing Exercises (do these on the spreadsheet)

• Ex 2B, p.16-18 Level 2 Graphing
• Ex 2C, p.19-25 Level 2 Identifying Relationships and Experimental Equations
• Ex 2B, p.23-40 Level 3 Handout booklet on Graphing Errors

Energy

• Act 14B, p. 158-160 Combined Mechanics
• Ex 4J, p. 143-147 Energy, Work, Power

Energy

• Energy can never be created
• Energy can never be destroyed
• Energy can only change its form (Work is done)
• Energy has the ability to make something happen, i.e. to do Work
• The unit for energy is the Joule (J)
• J = Kgm²s-²  in fundamental units

Perpetual Motion Machine?

A Simple Proof of Conservation of Energy

Conservation of Energy

Work & Transformation of Energy

Power & Work Done

Kinetic Energy

Gravitaional Potential Energy

Work, Energy, and Power

Work, Energy and Power Review

Gravitational Potential Energy and Kinetic Energy Skate Park PhET Link - HTML

Work

Work is a transformation (change) of energy from one form to another form. Work only occurs when something is done.

• Power is the rate at which energy is transformed
• Power is the rate at which work is done
• Unit of power Watt (W = J/s)

Power vs Energy

Work, Energy & Power

Kinetic Energy & Gravitational Potential Energy

World's Heaviest Weight - the importance of error reduction through measurement

Week 8 Term 1 2024 Energy Work Power

 Homework

Kinematics

• Act 8B Graphs of motion p.101
• Act 8C Kinematics p.102
• Ex 4E Kinematics p.115-117

Projectile Motion

• Act 12B Projectile Motion p.140-141
• Ex 4F Projectile Motion p.119-124

Vectors

• Act 9A Vectors p.108-109
• Ex 4A Vectors p.90-94

Forces

• Act 10A Forces p.117-118
• Act 10B Forces p.123-124
• Ex 4B Forces p.97-104

Circular Motiuon

• Act 13A p.148-149 Circular Motion
• Ex 4H p.132-134 Circular Motion

Springs

• Act 14A p.155 Energy & Springs
• Ex 4I p.137-141 Springs

Energy

• Act 14B, p. 158-160 Combined Mechanics
• Ex 4J, p. 143-147 Energy, Work, Power

Energy

• Energy can never be created
• Energy can never be destroyed
• Energy can only change its form (Work is done)
• Energy has the ability to make something happen, i.e. to do Work
• The unit for energy is the Joule (J)
• J = Kgm²s-²  in fundamental units

Perpetual Motion Machine?

A Simple Proof of Conservation of Energy

Conservation of Energy

Work & Transformation of Energy

Power & Work Done

Kinetic Energy

Gravitaional Potential Energy

Work, Energy, and Power

Work, Energy and Power Review

Gravitational Potential Energy and Kinetic Energy Skate Park PhET Link - HTML

Work

Work is a transformation (change) of energy from one form to another form. Work only occurs when something is done.

• Power is the rate at which energy is transformed
• Power is the rate at which work is done
• Unit of power Watt (W = J/s)

Power vs Energy

Work, Energy & Power

Kinetic Energy & Gravitational Potential Energy

World's Heaviest Weight - the importance of error reduction through measurement

Week 8 Term 1 2023

 Homework

• Act 8B Graphs of motion p.101
• Act 8C Kinematics p.102
• Ex 4E Kinematics p.115-117
• Act 12B Projectile Motion p.140-141
• Ex 4F Projectile Motion p.119-124
• Act 9A Vectors p.108-109
• Ex 4A Vectors p. 90-94
• Act 10A Forces p.117-118
• Act 10B Forces p.123-124
• Ex 4B Forces p.97-104
• Act 13A p.148-149 Circular Motion
• Ex 4H p.132-134 Circular Motion
• Ex 2B, p.16-18, Graphing
• Ex 2C, p.19-25, Identifying Relationships and Experimental Equations
• Ex 2B, p.23-40, Level 3 Handout booklet on Graphing Errors
• Act 14B, p. 158-160 Combined Mechanics
• Ex 4J, p. 143-147 Energy, Work, Power

Energy

• Energy can never be created
• Energy can never be destroyed
• Energy can only change its form (Work is done)
• Energy has the ability to make something happen, i.e. to do Work
• The unit for energy is the Joule (J)
• J = Kgm²s-²  in fundamental units

Perpetual Motion Machine?

A Simple Proof of Conservation of Energy

Conservation of Energy

Work & Transformation of Energy

Power & Work Done

Kinetic Energy

Gravitaional Potential Energy

Work, Energy, and Power

Work, Energy and Power Review

Gravitational Potential Energy and Kinetic Energy Skate Park PhET Link - HTML

Work

Work is a transformation (change) of energy from one form to another form. Work only occurs when something is done.

• Power is the rate at which energy is transformed
• Power is the rate at which work is done
• Unit of power Watt (W = J/s)

Power vs Energy

Work, Energy & Power

Kinetic Energy & Gravitational Potential Energy

World's Heaviest Weight - the importance of error reduction through measurement

Term 1 Week 7 2022

  Homework

• Act 8B Graphs of motion p.101 (last week)
• Act 8C Kinematics p.102 (last week)
• Ex 4E Kinematics p.115-117 (last week)
• Act 9A Vectors p.108-109 (last week)
• Ex 4A Vectors p.90-94 (last week)
• Act 12B Projectiles p.140-144 (last week)
• Ex 4F Projectiles p.119-124 (last week)
• Act 10A p.117-118 Forces (last week)
• Act 10B p.123-124 Forces (last week)
• Ex 4B p.97-104 Forces (last week)
• Ex 4G p.125-130 Torque (last week)
• Act 13A p.148-149 Circular Motion (last week)
• Ex 4H p.132-134 Circular Motion (last week)
• Ex 2B, p.16-18, Graphing
• Ex 2C, p.19-25, Identifying Relationships and Experimental Equations
• Act 14A, Energy and Springs
• Act 14B, Combined Mechanics
• Ex 4J, p. 143-147 Energy, Work, Power

Energy

• Energy can never be created
• Energy can never be destroyed
• Energy can only change its form (Work is done)
• Energy has the ability to make something happen, i.e. to do Work
• The unit for energy is the Joule (J)
• J = Kgm²s-²  in fundamental units

Perpetual Motion Machine?

A Simple Proof of Conservation of Energy

Work, Energy, and Power

Work, Energy and Power Review

Gravitational Potential Energy and Kinetic Energy Skate Park PhET Link - HTML

Work

Work is a transformation (change) of energy from one form to another form. Work only occurs when something is done.

• Power is the rate at which energy is transformed
• Power is the rate at which work is done
• Unit of power Watt (W = J/s)

Power vs Energy

Work, Energy & Power

Kinetic Energy & Gravitational Potential Energy

World's Heaviest Weight - the importance of error reduction through measurement

Term 1 Week 6 2020

Homework:

• Ex 4E, p.115-117 Kinematics (earlier week)
• Ex 4F, p.119-124 Projectile Motion (earlier week)
• Ex 4A, p.90-94 Vectors (earlier week)
• Ex 4H, p.132-134, Circular Motion (earlier week)
• Ex 4B, p.97-104 Forces (earlier week)
• Ex 4F, p.143-147 Energy, Work, Power (this week)

Energy

Energy can never be created

Energy can never be destroyed

Energy can only change its form (Work is done)

Energy has the ability to make something happen, i.e. to do Work

The unit for energy is the Joule (J)

J = Kgm²s-²  in fundamental units

Perpetual Motion Machine?

A Simple Proof of Conservation of Energy

Work, Energy, and Power

Work, Energy and Power Review

Gravitational Potential Energy and Kinetic Energy Skate Park PhET Link - HTML

Work

Work is a transformation (change) of energy from one form to another form. Work only occurs when something is done.

• Power is the rate at which energy is transformed
• Power is the rate at which work is done
• Unit of power Watt (W = J/s)

Power vs Energy

Work, Energy & Power

Kinetic Energy & Gravitational Potential Energy