Calculate Force for Constant Velocity: Force & Velocity Problem

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SUMMARY

The discussion centers on calculating the second force acting on a particle moving at a constant velocity of v = (3 m/s) i - (4 m/s) j, given that one force is F1 = (4 N) i + (-9 N) j. According to Newton's First Law, for an object to maintain constant velocity, the net force acting on it must be zero. Therefore, the second force, F2, can be determined by setting the sum of the forces equal to zero, leading to F2 = -F1 = (-4 N) i + (9 N) j.

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While two forces act on it, a particle is to move at the constant velocity v = (3 m/s) i - (4 m/s) j. One of the forces is F1 = (4 N) i + (- 9 N) j. What is the other force?



2. Homework Equations : Unsure



The Attempt at a Solution



- I know this is an easy problem, but I have one problem with it. I'm not sure how to relate force and velocity. So I'm not even sure where to start. Any hints to point me in the right direction would be great.
 
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What does Newton say about particles moving at constant velocity?
 
PhanthomJay said:
What does Newton say about particles moving at constant velocity?

- I figured I was just thinking too much about that problem. Thanks.
 

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