Joy D asked in Science & MathematicsPhysics · 2 months ago

What value or amount of net force must an object have exerted on it, to change its state of motion?

Please explain in detail if I am looking more at the value of an object, amount of net force on an object, or Newton's Law of Motion! I know Newton's Three Laws. The First Law is where an object remains in its state of rest or motion with constant velocity unless acted upon by a net external force. The Second Law is where the forces will cause a change in the motion of an object. The change in motion depends on the amount of force and the mass of the object. The formula for this is F=ma. The Third Law is for each action (force), there is an equal and opposite reaction.

2 Answers

  • 2 months ago

    any force will result in a "changed state of motion" aka acceleration.

    with a 1 kg mass, 1 N will cause a 1 m/s²

       1 µN will cause a 1 µm/s²

       1 pN will cause a 1 pm/s²


  • 2 months ago

    Any amount of net force (besides zero) is enough to change its motion. That's what the First Law tells you, if you really understand it.  This works the other way around also: if an object is not changing its motion, then the net force is zero.

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