Balanced & Unbalanced Forces – The Virtual School 2m 34s:
The Naked Scientist presents Forces & Motion in 5m 38s, BBC iScience explains Newton’s Laws in less than 5 minutes & Bitesize Top 20 Demos does it in just over 5m – Newton’s Laws.
A number of short clips from Clipbank: Using Levers; Measuring Turning Effect; Load, Effort & Pivots; Using Pulleys & Ramps ; Machines & Moments.
Two Scientific Eye videos – Machines & Moments & Shape & Strength.