Questions

• Dynamics

  The explanation of why an object has specific types of motion
• Force

  Push or pull exerted on an object. Whenever 2 objects interact, each exerts a force on the other
• Newton

  SI unit of force
• Force Diagram

  Labeled diagram that shows the forces acting on an object with arrows that indicate the magnitude and direction of the force
• Balanced Forces

  Forces acting on an object that combine and form a net force of 0
• Unbalanced Forces

  Forces that produce a nonzero net force, which changes an object's motion
• Net Force

  Sum of all forces acting on an object
• What are two effects of objects interacting?

  Motion changes, and shape changes
• on, by

  Force is exerted on this object by this object
• Vector Quantities

  Forces have a direction and size
• What are 2 things we have to do to identify a force?

  Identify both interacting objects and identify the kind of force interaction
• What tool do we use to measure forces?

  Spring scale