English National Curriculum - Science
Mission Objectives
Explain the effects of balanced and unbalanced forces
Calculate the resultant force on an object
Draw a free body diagram showing the forces on an object (HT)
Save files related to this lesson
Words and meanings to learn
resultant force
the overall force acting on an object when all the individual forces are combined
free body diagram
a simplified diagram that shows all the forces acting on an object
unbalanced force
when the forces acting on an object are not equal, causing the object to change its speed or direction; this occurs when the resultant force is not zero
vector
a quantity that has both magnitude (size) and direction
balanced force
when all forces acting on an object are equal in size but opposite in direction, resulting in no change in the object’s motion
Sponsored by
Samantha is an accomplished science educator whose current work centres on curriculum design and professional development, supporting teachers to deliver high-quality science education through evidence-informed approaches. She is a former Head of Chemistry and Sixth Form Tutor with extensive Key Stage 4 and 5 experience, and has worked as an AQA examiner, giving her valuable insight into assessment standards and what students need to succeed.
Underpinning this is a strong foundation in applied science built across a range of industry roles. Samantha has held scientific roles at John Smith's Brewery, Yorkshire Water and WasteCare, where she led technical projects, drove operational efficiencies and ensured compliance with industry standards. Across these roles she has first-hand experience of how scientific knowledge translates into measurable outcomes in professional and commercial environments.
In her spare time, Samantha enjoys playing the accordion with her local orchestra and has recently taken up cricket.
Handouts
Expert film
Mission assignment film
Address
Developing Experts Limited
Exchange Street Buildings
35-37 Exchange Street
Norwich
NR2 1DP
UK
Phone
01603 273515
Email
[email protected]
Copyright 2026 Developing Experts, All rights reserved.
Unlock expert-designed lessons, resources, and assessments tailored for educators. No credit card required.
Claim Your Free Trial →We use cookies to enhance your browsing experience and analyze our traffic. Learn more.