Take time but solve forme both I req you . Notes: oAnswer the following questions and provide a free body diagram for each questions.   3. A steel rod with an original length of 2 meters experiences a normal strain of 0.02.  calculate the final length of the rod. 4. A complex mechanical system consists of multiple springs in series. The first spring  has a spring constant (k1) of 200N/m, the second spring (k2) has a spring constant  300N/m, and the third spring (k3) has a spring constant 400N/m. when a force of 500N  is applied to this system, calculate the total compression (displacement) of the springs.

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!