Physics Classroom
The Physics Classroom: Vectors: Forces in Two Dimensions: Addition of Forces
In this tutorial, examine the effect of forces acting at angles to the horizontal, such that the force has an influence in two dimensions- horizontally and vertically.
CK-12 Foundation
Ck 12: Physical Science: Combining Forces
[Free Registration/Login may be required to access all resource tools.] Featurea the definition of combining forces: Pulling down and pushing up, forces acting in opposite directions, forces acting in the same direction.
Khan Academy
Khan Academy: Inelastic Collision Review
Review the key concepts and skills for inelastic collisions. Understand how to determine if a collision is elastic or inelastic.
Khan Academy
Khan Academy: Conservation of Angular Momentum Review
Review how angular momentum is conserved if there is no external torque applied to a system. Specific scenarios are highlighted: system changing it rotational inertia, orbiting bodies, and rotational collisions.
Cosmo Learning
Cosmo Learning: Fundamentals of Physics
A collection of video lectures from a fundamentals of physics course taught at Yale University. The course is an introduction to physics and discusses Newtonian mechanics, special relativity, gravity, thermodynamics, and waves. Course...
Curated OER
Nasa Trc Rocket Activity: Rocket Pinwheel
This site provides directions for a basic activity that allows students to explore Newton's Third Law of Motion.
PBS
Pbs Learning Media: Astronaut Gene Cernan Speaks About Working in Space
In this audio resource from NOVA: "To the Moon," astronaut Gene Cernan recounts his harrowing experience during America's first attempt to do work in outer space.
Sophia Learning
Sophia: Forces in a Rope & Pulley System: Lesson 2
This lesson explains what forces are acting on objects which are at rest or moving in a rope and pulley system. It is 2 of 2 in the series titled "Forces in a Rope & Pulley System."
Sophia Learning
Sophia: Inclined Planes & Net Force: Lesson 2
This lesson demonstrates how to find the net force acting on objects, at rest or, sliding across inclined planes. It is 2 of 2 in the series titled "Inclined Planes & Net Force."
Sophia Learning
Sophia: Normal Force & Mass: Lesson 1
This lesson demonstrates how normal forces can be used to find the mass of an object. It is 1 of 2 in the series titled "Normal Force & Mass."
Sophia Learning
Sophia: Objects Sliding on an Inclined Plane: Lesson 2
This lesson explains what forces are action on objects which are sliding across an inclined plane. It is 2 of 2 in the series titled "Objects Sliding on an Inclined Plane."
Sophia Learning
Sophia: Inclined Planes & Net Force: Lesson 1
This lesson demonstrates how to find the net force acting on objects, at rest or, sliding across inclined planes. It is 1 of 2 in the series titled "Inclined Planes & Net Force."
Sophia Learning
Sophia: Inelastic Collisions
This lesson introduces the concept of inelastic collisions.
Sophia Learning
Sophia: Introduction to Tension: Lesson 1
This lesson introduces the concept of tension. It is 1 of 2 in the series titled "Introduction to Tension."
Sophia Learning
Sophia: Normal Force & Acceleration: Lesson 1
This lesson explains what the acceleration of an object experiencing a normal force is. It is 1 of 2 in the series titled "Normal Force & Acceleration."
CK-12 Foundation
Ck 12: Phys. Science: Calculating Acceleration From Velocity and Time
[Free Registration/Login may be required to access all resource tools.] How to calculate average acceleration and the SI unit for acceleration.
Other
Focus Physical Review: Friction of Molecules
This is an article published by the American Physical Society on friction in microscopic gears that results from the adhesion of molecules. A great exploration of this new obstacle in science.
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