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You don't, if there's only one force involved. When there are two or more, then the net force is the result of the strength and direction of each one.For example, if I push a shopping cart forward and you push it backward with exactly the same force, the net force is zero and the cart doesn't start moving.
All you have to do is add all the forces. For example if you are pushing a block with a force of 5N to the right and pushing it to the left with a force of 3N the answer would be 2N to the right.
Net Force, Or Net Resultant Force, or Resultant force
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It's mass and the net force acting on it
This would be known as the net-force.
True
-- the object's mass -- the net force acting on it
You don't, if there's only one force involved. When there are two or more, then the net force is the result of the strength and direction of each one.For example, if I push a shopping cart forward and you push it backward with exactly the same force, the net force is zero and the cart doesn't start moving.
By adding a positive force to a negative force and determining which side has a greater strength will determine the net force.
All you have to do is add all the forces. For example if you are pushing a block with a force of 5N to the right and pushing it to the left with a force of 3N the answer would be 2N to the right.
Inertia will not be affected when "net" or "net force" is zero.
Net Force, Or Net Resultant Force, or Resultant force
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I'd call it the resultant, but "net force" is a good name too.