Forces
The force that pulls all objects down towards the center of earth.
What is gravity?
The free body diagram of an object falling from a tree (ignore air resistance).
What is a box with an arrow pointed down labeled Fg?
The type of friction that is at work on stationary objects.
What is static friction?
The net force on an object with a 20 N downward force due to gravity and no other forces.
What is 20 N downward?
The number of items in a baker's dozen.
What is 13?
The force that keeps objects from falling through solid surfaces.
What is the normal force?
The free body diagram of a skydiver falling at terminal velocity.
What is a box with an arrow down labeled Fg and an equally sized arrow pointing up labeled either Fd or Far?
The type of friction that is at work on something like a wheel.
What is rolling?
The net force on a box being suspended motionless with a rope.
What is 0 N?
The (relatively) recently deceased monarch of England who ruled for over 70 years.
Who is Elizabeth II?
The type of force that opposes all motion on earth.
What is friction?
The free body diagram of a box being pulled across a frictionless floor to the right by a rope.
What is a box with a arrow pointing down labeled Fg, an equally sized arrow pointing up labeled Fn and an arrow to the right labeled Ft? (Fd/Far to the left is fine, Ff is not.
Drag is also known as this type of friction.
What is air resistance?
The net force on an object with the following forces acting on it: 20 N down, 32 N up.
What is 12 N up?
Who is Edmund (bonus points for King Edmund the Just)?
The pulling force exerted by a string or rope.
What is tension?
The free body diagram of a box being pushed to the left across a floor.
What is a box with a arrow pointing down labeled Fg, an equally sized arrow pointing up labeled Fn and an arrow to the left labeled Fa and a smaller arrow labeled Ff to the right? (Fd/Far to the right is fine)
Another name for sliding friction.
What is kinetic friction?
The net force on an object with the following forces acting on it: 20 N down, 15 N up, 16 N left, 16 N right.
What is 5 N down?
The current number one ranked golfer in the world who has 4 major championships in the last 5 years.
Who is Scottie Sheffler?
The force produced by a jet engine.
What is thrust?
The free body diagram of an object that was traveling left along a frictionless floor and is now bouncing off of a wall to the right (at the moment of impact).
What is a box with a arrow pointing down labeled Fg, an equally sized arrow pointing up labeled Fn and an arrow to the left labeled Fs/e/a? (No Ff or Fa)
The two types of friction that are dependent on the speed of the object?
What are air resistance (or drag) and fluid friction?
The net force on an object with the following forces acting on it: 20 N down, 20 N up, 158 N left, 132 N right.
What is 26 N left?
The store where Woody is being held hostage in Pixar's best movie, Toy Story 2.
What is Al's Toy Barn?