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28 octobre 2022 - 01:34
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Newton's Laws of Motion - Physics 101 / AP Physics 1 Review - Dianna Cowern
Lesson 4 (Newton's Laws of Motion) of Dianna's Intro Physics Class on Physics Girl. Never taken physics before? Want to learn the basics of physics? Need an AP Physics 1 review before the exam? This course is for you!
Exercises in this video:
Problem 1: You push your square space cow, mass 5kg, with a force of 10N. What will be the acceleration of your space cow?
Problem 2: Your tiny cow has a mass of 1kg and is standing in a field in Kansas. What force does Earth’s gravity exert on the cow?
Problem 3: You are suspending two cows from the ceiling, one below the other. You have really strange hobbies. The lower cow has a mass of 2kg. The upper cow has a mass of 1kg. What is the tension in the rope between the top cow and the ceiling?
Problem 4: Now you have two square cows, one mass 4kg, the other mass 2kg, lined up on a frictionless surface. You push on the first cow such that the two cows accelerate at 2 m/s^2. What force does the second cow exert on the first?
Special thank you to astrophysicist and folklorist Moiya McTier for her shoutout at the end of the video! Find Moiya on Twitter @GoAstroMo
Dianna Cowern - Executive Producer/Host/Writer
Jeff Brock - Lead Writer/Course Designer
Laura Chernikoff - Producer
Victoria C. Page - Video Editor
Sophia Chen - Researcher/Writer
Erika K. Carlson - Researcher/Writer
Levi Butner - Videographer
Hope Butner - Production Assistant
Darren Dyk - Slow Motion Cinematography
Andy Brown - Curriculum Consultant
Lauren Ivy - Set Design
Vanessa Hill - Consulting Producer
Aleeza McCant - Illustrator
Alicia Cowern - Transcription
Consultant - Kyle Kitzmiller
Lucy Brock, Samantha Ward - Curriculum Consultants
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