Force Calculator (F = ma)

Your details

Pick the unknown. The other two fields become the inputs.
Newton’s law in the form F = m(v_f − v_i)/t when you only know velocities.
Result
98.1
Force98.1N
Force22.054lbf
In g-force1g
Force (N)98.1
Force (lbf)22.054

The net force is 98.1 N (22.05 lbf).

  • Newton's second law, F = m·a, gives the NET force, the sum of all forces along the motion.
  • One newton accelerates a 1 kg mass at 1 m/s². At a = 9.81 m/s² the force equals the object’s weight.
  • That acceleration is 1 g.

Next stepSwitch "Solve for" to find mass or acceleration from a known force.

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