9/18/13, Wednesday

Post date: Sep 18, 2013 2:48:52 PM

Bell Ringer

    • In 3-team tug of war (half the class on one end of the rope, half the class on the other, Mr. Bennett in the middle), why was Mr. Bennett able to pull the rope toward himself so easily? Draw a free body diagram for the point on the rope Mr. Bennett held to help yourself answer this question.

Activities

    • Free body diagram practice

    • Common forces for FBDs

    • Newton's 1st law, net force notes, practice

Practice

    • P. 124: 1-2, 1-6

    • P.128: 1-3