Forces and Newton's Laws of Motion
By the end of this lesson you can
What is a force?
![Slide 3 of 15: What is a force?]()
Contact and non-contact forces
![Slide 4 of 15: Contact and non-contact forces]()
Resultant force: adding forces in a line
![Slide 5 of 15: Resultant force: adding forces in a line]()
Balanced and unbalanced forces
![Slide 6 of 15: Balanced and unbalanced forces]()
Newton's first law: inertia
![Slide 7 of 15: Newton's first law: inertia]()
Newton's second law: F = ma
![Slide 8 of 15: Newton's second law: F = ma]()
Worked example: a car pulling away
![Slide 9 of 15: Worked example: a car pulling away]()
Mass and weight are different
![Slide 10 of 15: Mass and weight are different]()
Newton's third law: interaction pairs
![Slide 11 of 15: Newton's third law: interaction pairs]()
Third-law pair or balanced forces?
![Slide 12 of 15: Third-law pair or balanced forces?]()
All three laws on one page
![Slide 13 of 15: All three laws on one page]()
Quick check
![Slide 14 of 15: Quick check]()
Key takeaways
![Slide 15 of 15: Key takeaways]()
