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Learn How to Resolve Forces in Easy Steps

Discover essential skills for resolving forces from systems in equilibrium to objects being pulled up a plane.
1.4 (7 ratings)
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928 students enrolled
Last updated 2/2015
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  • 2 hours on-demand video
  • 4 Supplemental Resources
  • Full lifetime access
  • Access on mobile and TV
  • Certificate of Completion
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Welcome to the course Resolving Forces for Maths, Physics and Engineering. The course is aimed at those students who are primarily taking A Level subjects or the equivalent or who may be doing a introduction to mechanics for a engineering course.

As a college mathematics lecturer this is one area of mechanics that students do find challenging to understand. Yet it is a vital topic that overlaps into many other areas of mechanics so its understanding is essential.

I have covered the areas of resolving forces that are frequently taught at A Level or its equivalent as well as including over twenty practice questions with my own hand written solutions. You should note that my solutions are model answers to exam questions and this is how you should be producing your solutions.

The course includes 90 minutes of video instruction together with over 20 exam-style questions for you to try.

In this course you will learn how to:

  • Define a resultant force & normal reaction
  • Understand that a force has an impact either horizontally or vertically
  • Resolve two or more forces and to determine the resultant force and the direction it makes with the horizontal
  • Resolve forces acting on a plane
  • Determine unknown forces and angles

The best way to learn mathematics is to do it so please do have a pen and notepad to hand. Do try all the questions provided and you have the opportunity to compare your work to the solutions provided.

I really hope that you find the course to be very beneficial.

Who is the target audience?
  • This course is an introduction to resolving forces for students who are studying mathematics, physics or engineering at A-Level or its international equivalent. You should have a good knowledge of trigonometry and to be able to solve equations.
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What Will I Learn?
Resolve forces horizontally and vertically as well as resolving forces parallel and perpendicular to a plane
View Curriculum
  • It is essential that you have a knowledge of trigonometry, good algebra skills and the ability to solve equations.
Curriculum For This Course
Expand All 13 Lectures Collapse All 13 Lectures 01:57:43
1 Lecture 04:32

Course Introduction - How to resolve forces for maths, physics and engineering

Preview 04:32
Resultant & Components
3 Lectures 37:17

After completing this lecture you will understand what is meant by a resultant force and also how a force can be resolved into its component parts.

Preview 18:23

After completing this lecture you will be able to resolve two or more forces and to determine the resultant force of two or more forces and the angle that resultant forces makes with the horizontal.

Resultant of Two and More Forces

Here are some additional questions for you to practice based on what has been covered so far in the course. You can check your work with the model solutions that have been provided.

Resultant of Two and More Forces - Question Practice
2 pages
Determining A Force & Angle
4 Lectures 30:19

At the end of this lecture you will be able to apply the theory that has been applied so far to determine unknown forces or an angle of a force. You will also see how certain trigonometric equations are used.

Finding the Force & Angles

At the end of this lecture you will have an insight into how to solve more complicated equations using the method of substitution and a factorising technique.

Finding the Force & Angles - Harder Scenario

After completing this PowerPoint presentation you will be able to deal with horizontal frictional forces and to apply resolving techniques to determine their value.

Dealing with Frictional Forces

Here you have the opportunity to put what you have learnt so far into practice by attempting these questions that are attached. You can then check your work with the model solutions that are provided.

Finding the Force & Angles - Question Practice
2 pages
Resolving Forces On A Plane
2 Lectures 15:18

At the end of this lecture you will be able to resolve forces on a plane that act parallel and perpendicular to the plane.

Resolving Forces on a Plane

Here you have the opportunity to try some further questions relating to resolving forces on a plane. Model solutions are available for you to check your work.

Resolving Forces on a Plane - Question Practice
1 page
Looking at Various Scenario's
2 Lectures 18:38

At the end of this lecture you will further appreciate the type of questions that are often asked and will further realise that a diagram is an essential part of mechanics.

Further Scenario's

Here is a further opportunity to enhance your skills by trying these questions. The first two questions will be revision based questions but the last one is more challenging. Model solutions are available.

Further Question Practice
3 pages
1 Lecture 03:39

This lecture summarises the course as a whole and what you have learnt.

About the Instructor
2.6 Average rating
12 Reviews
1,147 Students
2 Courses
Mathematics Lecturer

My name is Sadhiv Mahandru and I have always been passionate about mathematics that I pursued my passion further at The University of Liverpool.

During my degree period I specialised in the field of applied mathematics or more commonly known as mechanics. I currently lecture at a post-16 college in the UK where I teach various courses in pure mathematics and mechanics.

My ultimate goal is to make maths interesting, enjoyable and fun. I engage with maths students across the world via my Twitter account where I have over 9,000 followers and I really do hope that you are able to benefit from my expertise.

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