How are forces produced between objects and what effects do forces produce?
What is a Force? (3:39)
How can the motion of objects be explained and analysed?
After watching the video, draw a Free Body Diagram of the situation and work out the tension (call this force T) in the string.
Check out the PhET simulation from University of Colorado, Boulder, USA.
How is the motion of objects in a simple system dependent on the interaction between the objects?
Inelastic and Elastic Collisions: What are they? (4:24)
Introduction to Conservation of Momentum with Demonstrations (3:57)
Train vs Car Crash Simulation (2:22)
What is the Law of Conservation of Momentum?
Go to the Collision Lab.
Watch “25 Best Snooker Shots - The Masters 2024” (8:32) just for fun!
If you want some help with learning these concepts, go to Review Questions and do the Review Activity.