This lesson will explain how to calculate net forces on an object being pushed or pulled. It is 3 of 4 in the series titled "Calculating Forces."

This lesson demonstrates how to find the net force acting on objects in a rope and pulley system. It is 2 of 2 in the series titled "Net Force in Rope & Pulley Systems."

This lesson will explain how to calculate net forces on an object being pushed or pulled. It is 4 of 4 in the series titled "Calculating Forces."

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."

This lesson demonstrates how to use free-body diagrams to determine the net force acting on an object.

This slide show illustrates how to properly define a system of forces.

This lesson provides the learner with example problems on determining the net force acting on objects at rest or sliding across inclined planes. It is 2 of 2 in the series titled "Practice w/ Inclined Planes."

This presentation explains why an object remains at rest, despite the fact that the particles within the object are in motion.

This presentation explains why a poorly defined system can lead to incorrect answers in physics problems.

This lesson provides the learner with an example problem on determining the net force acting on objects within a rope and pulley system. It is 2 of 2 in the series titled "Practice w/ Ropes & Pulleys."

An international European Congress, a progressive predecessor to NATO and the UN, came together to join forces in establishing strong national borders in an effort to protect themselves from further revolutions and hopefully prevent...

The Industrial Revolution led to a demand for laborers to keep up with the demands for the creation of products. The slideshow illustrates how the labor force grew and adjusted during the early twentieth century and the impact of labor...

This illustration provides an overview of the scientific process of when a skydiver steps out of a plane.