Problem 4.1

Free-Body 1 Free-Body 2 Free-Body 3 Free-Body 4

Please wait for the animation to completely load.

A red block is pushed and moves as shown in the animation.  In addition, a green block sits on the red block and moves as well.  Restart.

  1. Which free-body diagram is correct?  Give reasons why the other three diagrams are incorrect.
  2. How would your answer to (a) change if the blocks did not move? 

 

 

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