Introductory Activity: Start by writing a short (2-3 sentence) description of how you use the term force in your everyday life. You might want to include an example.
Definition3.1.1.Force.
A force is an interaction between two objects (or systems) that causes those objects to experience a push or pull. Every force is a vector (with magnitude and direction) that has a type and involves two distinct objects acting on each other.
ExercisesActivities: Explore forces
Use the video below to answer the exploration questions.
Figure3.1.2.Dr. Paws gets a ball.
1.
Identify and describe the different types of forces you believe are acting on Dr. Paws in the video above as she chases the ball.
2.
Write a short (2-3 sentence) description of how we use the term force in physics. Highlight any differences between your physics description and your personal description from the first exercise.
3.
Brainstorm a list of possible different types of forces you can imagine acting on something.
4.
The SI unit for a force is the newton (N), while the Imperial unit for force is the pound (lb). Use a search to find the number of newtons in one pound. If an amateur soccer player is able to kick a soccer ball with a force of around 500-700 pounds, how many newtons are they able to exert?
