Newton's+3rd+Law+(N3L)+activity


 * Purpose** - To demonstrate for every action there is an equal and opposite reaction and to develop a force law for two objects interacting with each other.


 * Observation** - Can you touch someone without them touching you?

• Instruct students to hook their scales together. Have both students pull on their scales and record the force on each scale. • Next, have one student pull, while the other holds firm. Then they should reverse the roles, each time comparing the force that one person exerts to the force that the second person exerts. • Next, have a pair of students hold push/pull scales against one another. They should compare the scale readings when both push, then when first one, then the other pushes.
 * Procedure/Data**


 * Graph** - Re-write the following graph between 2 opposing force sensors on your sheet




 * Calculations** - None

1. An elementary student comes to you complaining "He touched me!". Being a physics student, what can you reply back to this child?
 * Questions** -

2. What does the Pasco graph demonstrate?


 * Conclusion** - How do these activities prove Newton's 3rd Law (N3L)?

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