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Dynamics Ratio Problem



Net force F causes mass m1 to accelerate at rate a. A net force of 3F causes mass m2 to accelerate at rate 2a. What is the ratio of mass m1 to mass m2?


1. First, set F=m1*a

2. Then, set 3F=m2*2a

3. Solve each of these equations for m1 and m2, respectively.

4. Then, to get the ratio of m1 to m2, just take m1/m2, and replace m1 and m2 with your answers to step #3.

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