Massachusetts Institute of Technology
Mit: Blossoms: How Mosquitos Fly in the Rain
By viewing high-speed videos of raindrops hitting mosquitos, learn how insects are able to fly in the rain by calculating the impact forces of raindrops on flying mosquitoes.
NASA
Nasa: Introduction to Newton's Three Laws: Lesson 1
View this video that relates Newton's Law of Motion to the operation on airplanes. Learn how mass of a person can be calculated by dividing the weight of the person to the force of gravity. [12:08]
NASA
Nasa: Lift and the Rate of Change of Momentum, Lesson 3
This NASA video demonstrates how Newton's law of motion applies to the lift of an airplane. Watch as an instructor shows student how an airplane overcomes the downward force of its weight by changing the air molecules colliding with the...
Bozeman Science
Bozeman Science: Interaction Forces
Mr. Anderson illustrates the concept that forces on an object always require another object, and that an object cannot exert a force on itself. If net forces on an object are balanced the object will remain at rest or move with a...
Sophia Learning
Sophia: Bouncing
Use the principles of physics to understand the force of a bouncing object. [6:49]
Sophia Learning
Sophia: Elastic Collisions
Watch this narrated screencast which explains the physics of collisions when applying Newton's second law of motion. [4:12]
Sophia Learning
Sophia: Introduction to Impulse
A screencast which provides an explanation of impulse force as it relates to Newton's laws of motion. [4:12]
Sophia Learning
Sophia: Newton's Second Law of Motion
Watch this introduction to Newton's Second Law of Motion. See example problems solved in an easy to understand format. [9:49]
Sophia Learning
Sophia: Newton's Third Law of Motion Stated Graphically
In this narrated tutorial, see a graphical interpretation of Newton's third law of motion. [4:01]
Sophia Learning
Sophia: Practice With Air Resistance
Practice some problems using Newton's second law of motion, when accounting for the force of air resistance. [5:58]
Sophia Learning
Sophia: Practice With Conservation of Momentum
Explore conservation of momentum with some example problems and equations. [9:07]
Sophia Learning
Sophia: The Law of Inertia in Action
An introductory lesson explaining the law of inertia using real world examples. [4:14]
Sophia Learning
Sophia: Using Newton's Second Law With Air Resistance
A narrated tutorial which explains Newton's second law of motion when air resistance is taken into account. [6:43]
Sophia Learning
Sophia: Weight
A video tutorial explaining the concept of an object's weight as it relates to physics. [2:51]
Sophia Learning
Sophia: Air Resistance & Newton's Second Law
This narrated lesson explains how Newton's second law of motion changes when air resistance is considered with falling objects. [6:42]
Sophia Learning
Sophia: A New Look at Acceleration
A video tutorial which presents acceleration as the quotient of net force and mass. [2:01]
Khan Academy
Khan Academy: Force of Friction Keeping Velocity Constant
Sal Khan demonstrates how to calculate the coefficient of kinetic friction (correction made in next video). [9:08]
Khan Academy
Khan Academy: Force of Friction Keeping the Block Stationary
Sal Khan explains how a block of wood is kept stationary by the force of friction (correction made in next video). [8:40]
Khan Academy
Khan Academy: Super Hot Tension
David shows how to solve a super hot tension problem where a can of peppers hangs from two diagonal strings. [16:55]
Khan Academy
Khan Academy: Tension in an Accelerating System and Pie in the Face
In this video, Sal Khan figures out the tension in the wire connecting the two masses. Then he figures out how much we need to accelerate a pie for it to safely reach a man's face. [9:28]
Khan Academy
Khan Academy: Two Masses Hanging From a Pulley
This video explains how to find the acceleration of two masses hanging from a pulley (using the easy method). [8:49]
Khan Academy
Khan Academy: Treating Systems (The Hard Way)
This video explains how to find the acceleration of two masses hanging from a pulley (using the easy method). [15:26]
Khan Academy
Khan Academy: The Force of Tension
This video explains what the force of tension is, how to solve for it, and some common misconceptions involving the force of tension. [14:08]
Khan Academy
Khan Academy: More on Normal Force (Shoe on Floor)
This video explains how to determine the normal force for a variety of scenarios (extra forces, diagonal forces, acceleration) involving a shoe on the floor. [10:44]