Physics- Equilibrium

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Which of the following is in equilibrium?
a. an object that was thrown straight upward at the moment it has zero velocity (my answer)
b. an object moving in a circle at constant speed
c. an object that moves at constant velocity
d. an object that moves at constant acceleration

  • Physics- Equilibrium -

    If I had to pick one it would be c.
    Constant velocity means no acceleration which means no net force.

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