Connected particles
Selection of pulley tutorials, without then with slopes. Click here
https://www.youtube.com/playlist?list=PL5pdglZEO3NiFMAW09v_v7R9o6iHY_90V
Practice here
https://www.mathsgenie.co.uk/resources/a-mechanics-connected-particles.pdf
Answers
https://www.mathsgenie.co.uk/resources/a-mechanics-connected-particlesans.pdf
Cars and tow bars
Example
https://www.youtube.com/watch?v=yNA0zQerXng
Example 2
https://www.youtube.com/watch?v=nEbSOPRhug8&list=PLg2tfDG3Ww4sc79lywF0McGTNh9ELDnQ0&index=90
Different style of question, please watch
https://www.youtube.com/watch?v=AEO-4PFaFV0