Science & Technology Q&A for Kids (and others) [January 12, 2024]

Stephen Wolfram answers general questions from his viewers about science and technology as part of an unscripted livestream series, also available on YouTube here: https://wolfr.am/youtube-sw-qa Questions include: ​Why do you think there is matter at all? - How does friction affect the motion of an object? - On the topic of physics, what is the relationship between force, mass and acceleration? - Can you explain the difference between static and kinetic friction in the context of Newton's laws? - How do Newton's laws of motion apply to objects moving in circular motion? - How would you structure a discussion on the introduction of physics?