Concept explainers
Is it possible to have net force zero when the object is moving.
Answer to Problem 3Q
Solution:
Yes. It is possible for the net force acting on it to be zero if an object is moving
Explanation of Solution
According Newton’s second law
where a is the acceleration, m is the mass of the object and F is the force
If net force is zero
If net force F is zero then acceleration becomes zero from the above equation. Acceleration is the rate of change of velocity. It means that velocity is constant. If the object is already moving in one direction at a constant speed, then it will keep moving when there is no external force applied to it.
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