The video is a lecture or presentation on forces and work. The speaker defines what work is and provides examples of how energy is transferred from one form to another. The speaker also explains how to measure work and the equation for...

This video covers: - The two definitions of power - Difference between energy transferred and work done - How to use the power equation General info: - Suitable for all GCSE and IGCSE courses Exam board specific info: AQA - Everything is...

This video is a lecture presentation analyzing the results of an experiment on the relationship between force and extension in a spring. The presenter uses graphs, tables, and equations to explain how the force and extension are...

This video demonstrates how to calculate the net work done on an object by multiple forces and explains its relationship to the change in kinetic energy. It walks through a solved physics problem, ideal for understanding work-energy...

This video analyzes the forces and work done on a person being lifted from a cliff, breaking down the process into different stages of motion. Learn how to apply physics principles to understand a real-world rescue

Learn how to calculate force, work done, kinetic energy, and speed of a box being lowered. This video applies the Work-Energy Theorem to a real-world physics problem, ideal for understanding energy transformations.

Learn how to calculate the work done by a variable force using integration and force-displacement graphs. This lesson illustrates the concept with practical examples, including spring force and polynomial force functions.

This video is the second lecture presentation on force and extension experiments. The presenter analyzes the results obtained from the previous presentation on the extension of a spring versus the force applied to it. The video goes on...

This video demonstrates how to calculate the work done by a force and the power generated as an object moves through a given displacement over time. It provides a clear, step-by-step solution to a physics problem involving vectors.

Summary:

Everything you can see is made of up of the same fundamental particles. The best theory of fundamental particles and forces is the Standard model of particle physi

cs.

It’s really...

This video provides a step-by-step solution to a physics problem, demonstrating the application of Newton's Laws of Motion and kinematic equations to calculate force, distance, and work done for an object under constant deceleration

Think of a spanner loosening a fixed nut, or a child on a seesaw, or a door opening around a fixed hinge. All of these things are connected by something called moments… A moment is the turning force around a fixed pivot. The pivot is the...

You should already know that velocity-time graphs look like this... and how we can use them to map out a journey. If you’re unsure, you may want to watch this video first...In this video we’re going to look at the area under these graphs...

In this video Paul Andersen explains how the kinetic energy gained by an object is equivalent to the work done on the object. The force on the object must act parallel or antiparallel to the motion of the object to do work. Several...

Learn how gravitational force does positive or negative work to transform an object's kinetic energy during ascent and descent. This Class 11 Physics lesson explains the work-energy theorem through real-life vertical motion scenarios.

It’s no surprise that forces are everywhere! But how do we work out which forces are important, and which ones can be ignored? This lesson will distinguish between external and internal forces, before diving into more examples of contact...

Discover how buoyant force impacts scale readings in this engaging physics lesson. Using free body diagrams and Newton's laws, we analyze scenarios involving submerged objects, tension forces, and buoyant forces. Watch as we break down...

Using the Work Energy Theorem to solve the following … A 67 N ball is dropped from a height of 79.8 cm above a bag of sand. If the ball makes a 9.0 mm deep dent in the sand, what is the average force the sand applies on the ball during...

This video covers:

- The concept of mom
ents
- How to calculat
e moments
- Clockwise and anticlockwise mom

ents on seesa
ws

General info:
- Suitable f
or all GCSE and IGCSE courses
- See below...

This video walks through a physics problem to determine the spring constant of a spring and the potential energy stored when it is compressed by a falling object. It demonstrates calculations related to spring forces and energy.

Understand how to calculate the work done by variable forces like spring force using integration and Hooke’s Law. Learn the physics behind elastic potential energy and how force varies with displacement

The video “Forces at Work” defines the concept of work and discusses how work relates to time, distance, and power in the field of physics.

In this video Paul Andersen explains how gravitational forces differ from the other three fundamental forces; electromagnetic, strong, and weak. Gravitational forces are always attractive and operate at all scales. Even though...

Explore the Work-Energy Theorem and how net work done on an object leads to a change in its kinetic energy. Learn through real-life examples, force analysis, and problem-solving using this core Class 11 Physics principle