What is a Force? Video Tutorial

Understanding the nature of a force as an interaction between objects is critical to success in a Newton's Laws unit. The What is a Force? Video Tutorial clarifies this concept through several examples. The distinction between contact forces and field forces is discussed. Newton's third law is related to the discussion. The video lesson answers the following questions:
  1. What is a force?
  2. What is an effective strategy for analyzing a physical situation and identifying the forces that are present?

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