Why is Newton 's second law called the real law of motion? Explain.
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the rate change of momentum of proportionally equal to the applied unbalanced force
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At initial velocity 'u', momentum p1 =mu __(1)
at final velocity 'v', momentum p2= mu __(2)
change in momentum p1-p2 = mv- mu
= m(v-u)
rate of change of momentum = m(v-u)/t
f constant m(v-u)/t
f= k m(v-u)/t
f= k ma (I & (k=l)
f= ma
f= kg m/s sq.
f= N.
at final velocity 'v', momentum p2= mu __(2)
change in momentum p1-p2 = mv- mu
= m(v-u)
rate of change of momentum = m(v-u)/t
f constant m(v-u)/t
f= k m(v-u)/t
f= k ma (I & (k=l)
f= ma
f= kg m/s sq.
f= N.
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