Newton's First and Third Laws Prelab Assignment

Name:_______________________________ 4-digit Code Number:_______________________________

  1. Consider two books resting on the Earth.

    1. Draw free-body diagrams for each book and the Earth, labeling all forces uniquely. (Hint: there are 10 forces in total, 2 of which are negligibly weak.)

    2. Describe all the forces listed above in the following format:
      F1 acts on ________________ and is caused by _________________ .

    3. Identify all action-reaction pairs.

    4. Find the magnitudes of all the forces listed in terms of mA, mB, and g.

    5. Find the net force on
      1. Book-A

      2. Book-B

      3. the Earth

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