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5,055,831 results

Cognito
GCSE Physics - Efficiency | Energy & Power (2026/27 exams)

Check out our website https://www.cognito.org/ ⭐️ *** WHAT'S COVERED *** 1. The concept of efficiency in energy transfers.

5:36
GCSE Physics - Efficiency | Energy & Power (2026/27 exams)

29,761 views

5 months ago

Freesciencelessons
GCSE Physics Revision "Efficiency"

PLUS is the amazing new learning system from Freesciencelessons. PLUS contains thousands of interactive questions to embed ...

5:28
GCSE Physics Revision "Efficiency"

556,698 views

8 years ago

EarthPen
Efficiency Formula | Physics Animation

This video explains "Efficiency Formula" in a fun and easy way.

1:31
Efficiency Formula | Physics Animation

111,941 views

4 years ago

FuseSchool - Global Education
Energy Efficiency  | Energy | Physics | FuseSchool

Energy Efficiency | Energy | Physics | FuseSchool You may have been told that you cannot create or destroy energy, but we ...

3:21
Energy Efficiency | Energy | Physics | FuseSchool

93,693 views

5 years ago

Arbor Scientific
Energy Efficiency — Physics | Arbor Scientific

Efficiency is a measure of the useful energy output from the total energy input. Watch this video as we discuss efficiency in detail.

2:55
Energy Efficiency — Physics | Arbor Scientific

1,238 views

6 years ago

IB Physics - Andy Masley
Efficiency in Physics - IB Physics

0:00 Definition 2:33 Example Problem 1 3:57 Example Problem 2 5:44 Example Problem 3.

7:01
Efficiency in Physics - IB Physics

13,634 views

5 years ago

Physics Online
Efficiency - GCSE Physics

Efficiency is the ratio of the increase in the useful energy store (output) to the energy in the original store (input). This can either be ...

2:24
Efficiency - GCSE Physics

14,158 views

6 years ago

minutephysics
The Unreasonable Efficiency of Black Holes

Thanks to https://brilliant.org/minutephysics for sponsoring this video! Check out their black hole course at ...

6:22
The Unreasonable Efficiency of Black Holes

4,378,493 views

8 years ago

The Organic Chemistry Tutor
Work, Energy, and Power - Basic Introduction

This physics video tutorial provides a basic introduction into work, energy, and power. It discusses the work-energy principle, the ...

1:01:44
Work, Energy, and Power - Basic Introduction

2,529,449 views

4 years ago

Pla Academy: IGCSE and A level buddy
Energy, Work, Power and efficiency for IGCSE, O level and GCSE Physics

igcse_physics #pla_academy #work #power #efficiency #energy #o_level_physics Timestamp of Energy, work, Power and ...

21:53
Energy, Work, Power and efficiency for IGCSE, O level and GCSE Physics

22,527 views

1 year ago

KayScience
GCSE Physics – Calculating Energy Efficiency

GCSE Physics – Calculating Energy Efficiency This GCSE Physics video explains how to calculate energy efficiency clearly and ...

3:34
GCSE Physics – Calculating Energy Efficiency

37,347 views

5 years ago

Physics Online
Efficiency - A Level Physics

This video introduces and explains efficiency for A Level Physics. The efficiency (η) of an object, device or machine is the ratio ...

2:20
Efficiency - A Level Physics

26,630 views

10 years ago

CrashCourse
Work, Energy, and Power: Crash Course Physics #9

When you hear the word "work," what is the first thing you think of? Maybe sitting at a desk? Maybe plowing a field? Maybe ...

9:55
Work, Energy, and Power: Crash Course Physics #9

3,264,907 views

9 years ago

KayScience
GCSE Physics - Calculating Efficiency

GCSE Physics - Calculating Efficiency This GCSE Physics video explains how to calculate efficiency clearly and step by step for ...

2:30
GCSE Physics - Calculating Efficiency

44,613 views

5 years ago

VideoPlatoAcademy
Energy EFFICIENCY explained: GCSE Physics/Science

Energy efficiency is explained in this video. I include the energy efficiency equation and examples of how to calculate efficiency.

5:15
Energy EFFICIENCY explained: GCSE Physics/Science

161 views

11 months ago

DoodleScience
Energy Transfer and Efficiency | GCSE Physics | Doodle Science

Follow me!: https://twitter.com/DoodleSci Doodle Science teaches you high school physics in a less boring way in almost no time!

1:09
Energy Transfer and Efficiency | GCSE Physics | Doodle Science

133,725 views

12 years ago

The Organic Chemistry Tutor
Heat Engines, Thermal Efficiency, & Energy Flow Diagrams - Thermodynamics & Physics Problems

This physics video tutorial provides a basic introduction into heat engines. it explains how to calculate the mechanical work ...

21:10
Heat Engines, Thermal Efficiency, & Energy Flow Diagrams - Thermodynamics & Physics Problems

295,841 views

8 years ago

The Science Classroom
Efficiency and Simple Machines

Josh Kenney explains efficiency in the context of simple machines. In this video we learn the equation to calculate efficiency and ...

7:43
Efficiency and Simple Machines

94,167 views

7 years ago

INTEGRAL PHYSICS
Simple Machines for Engineers | IMA AMA and % Efficiency

Take a look at how we define ideal mechanical advantage in simple machines, actual mechanical advantage as well as how each ...

11:55
Simple Machines for Engineers | IMA AMA and % Efficiency

33,635 views

5 years ago