Second Law Of Newton

A body of mass m subject to a force F undergoes an acceleration a that has the same direction as the force and a magnitude that is directly proportional to the force and inversely proportional to the mass, i.e., F = ma. Alternatively, the total force applied on a body is equal to the time derivative of linear momentum of the body.
Or, the applied unbalanced force is proportional to rate of change of momentum.

F is proportional to p2 - p1 / t

F is proportional to mv - mu / t

F is proportional to m [v - u / t]

F is proportional to m * a

F = k * ma (as k = 1)

F = Mass * acceleration

= kg m/s2

= N (newton)

F = Force
p2 = Final Momentum
p1 = Initial Momentum
m = Mass
u = Initial Velocity
v = Final Velocity
t = Time taken for u to become v
a = Acceleration
k = constant

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