What's New

System improvements and bug fixes were applied.

App Description

There’s a new, engaging way to learn and apply your knowledge of science in a dynamic environment. Learn by doing and see the impact of being involved in what you learn.

Analyze the forces acting on a system and construct free-body diagrams. Learn that forces are vector quantities, and that free-body diagrams represent the magnitude, direction, and types of force(s) acting on a system.

• Draw free-body diagrams to analyze forces acting on a chair that is being pushed.
• Practice constructing free-body diagrams for five different systems.
• Learn about different forces that can act on a system.
• Explain that forces are vector quantities that represent magnitude and direction.

App features:
• Apply the physics of forces acting on a system in a series of hands-on exercises.
• Watch animations that explain the concepts.
• Test your knowledge with interactive tasks and quizzes.
• Want more? Check out the AC library in the App Store.

iPad Screenshots

(click to enlarge)

Identifying Forces screenshot 1 Identifying Forces screenshot 2 Identifying Forces screenshot 3 Identifying Forces screenshot 4 Identifying Forces screenshot 5

App Changes

  • February 17, 2017 Initial release
  • July 14, 2020 New version 1.2