Net Force Equation:
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Net force is the vector sum of all forces acting on an object. It determines the object's acceleration according to Newton's second law of motion (F = m × a).
The calculator uses the net force equation:
Where:
Explanation: When forces act in the same direction, they add together. When forces act in opposite directions, they subtract from each other.
Details: Calculating net force is essential for understanding how objects will move, predicting acceleration, and solving physics problems related to motion and forces.
Tips: Enter force values in newtons (N). Select whether all forces act in the same direction or if some act in opposite directions. For opposite directions, the calculator assumes the first force is positive and subtracts the others.
Q1: What is the difference between net force and individual forces?
A: Net force is the combined effect of all forces, while individual forces are the separate forces acting on an object.
Q2: How do I handle forces at angles?
A: For forces at angles, you need to break them into components (x and y directions) before calculating net force in each direction.
Q3: What if I have more than three forces?
A: This calculator handles up to three forces. For more complex situations, you may need to use vector addition methods.
Q4: How does net force relate to acceleration?
A: According to Newton's second law, acceleration equals net force divided by mass (a = F_net/m).
Q5: What is equilibrium in terms of net force?
A: When net force equals zero, the object is in equilibrium - either at rest or moving with constant velocity.