Texas Education Agency
Texas Gateway: 4.3 Newton's Second Law of Motion: Concept of a System
By the end of this section, you will be able to define net force, external force, and system; understand Newton's second law of motion; and apply Newton's second law to determine the weight of an object.
Science Education Resource Center at Carleton College
Serc: Mn Step: Rotational Motion: Investigating Moment of Inertia and Torque
An investigation where students experiment with spools to learn about torque and the moment of inertia. Instructions for a lab report are provided, as well as drawings for students to refer to.
Sophia Learning
Sophia: Practice Drawing Free Body Diagrams: Lesson 1
This lesson provides the learner with example problems on drawing free-body diagrams. It is 1 of 2 in the series titled "Practice Drawing Free-Body Diagrams."
Sophia Learning
Sophia: Practice With Free Body Diagrams
Need some practice drawing free-body diagrams? This slideshow lesson gives several examples of different situations and the forces that need to be shown in the free-body diagram.
Sophia Learning
Sophia: Practice With Inclined Planes
A video presentation providing example problems on finding the net force acting on objects at rest or sliding across inclined planes. [13:08]
Texas Education Agency
Texas Gateway: Glossary for Forces and Newton's Laws
This is a glossary of terms and definitions used in Chapter 4: Force and Newton's Laws of Motion from the AP Physics online text.
Texas Education Agency
Texas Gateway: Problem Solving Strategies for Newton's Laws of Motion
By the end of this section, you will be able to apply a problem-solving procedure to solve problems using Newton's laws of motion.
Texas Education Agency
Texas Gateway: 4.4 Newton's Third Law of Motion: Symmetry in Forces
By the end of this section, you will be able to understand Newton's third law of motion and apply Newton's third law to define systems and solve problems of motion.
Texas Education Agency
Texas Gateway: 4.1 Development of Force Concept
By the end of this section, you will be able to understand the definition of force.
Sophia Learning
Sophia: Practice Drawing Free Body Diagrams: Lesson 2
This lesson provides the learner with example problems on drawing free-body diagrams. It is 2 of 2 in the series titled "Practice Drawing Free-Body Diagrams."
Sophia Learning
Sophia: Practice W/ Free Body Diagrams: Lesson 1
This lesson provides the learner with example problems on using free-body diagrams to determine the net force acting on an object. It is 1 of 2 in the series titled "Practice w/ Free-Body Diagrams."
Sophia Learning
Sophia: Representing Forces in a Rope & Pulley System: Lesson 2
This lesson demonstrates how to draw a free-body diagram for a rope and pulley system. It is 2 of 2 in the series titled "Representing Forces in a Rope & Pulley System."
Sophia Learning
Sophia: Representing Forces on an Inclined Plane: Lesson 2
This lesson demonstrates how to draw free-body diagrams for objects at rest or sliding on an inclined plane. It is 2 of 2 in the series titled "Representing Forces on an Inclined Plane."
Sophia Learning
Sophia: Using Free Body Diagrams: Lesson 2
This lesson demonstrates how to use free-body diagrams to determine the net force acting on an object.
Sophia Learning
Sophia: Free Body Diagram: Lesson 2
This lesson introduces the concept of the free-body diagram. It is 2 of 2 in the series titled "Free-Body Diagram."
Sophia Learning
Sophia: Representing Forces on a Free Body Diagram: Lesson 2
This lesson demonstrates how to represent the forces acting on an object using a free-body diagram. It is 2 of 2 in the series titled "Representing Forces on a Free-Body Diagram."