Question

. A body of mass m is moving with a velocity u. When a force is applied on it for time t than

its velocity increases to v write an expressions for :- a) initial and final momentum b)change of momentum c) rate of change of momentum

Also write the S.I unit for each​

Answer 1

Answer:

(a) initial momentum=mu

final momentum=mv

SI unit of each of the above: kgm/s

(b) change in momentum= mv-mu=m(v-u)

SI unit of the above: kgm/s

(c) rate of change of momentum= m(v-u)/t

SI unit of the above: kgm/s^2

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Answer 2

Answer:

s.i unit of mass is kg.

initial momentum= mu

final momentum=mv

change of momentum=mv-mu

t

rate of change of momentum=m(v-u)=ma

t

s.i unit of momentum is kg m/s

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