Answer 1:
A kilogram is a unit of mass, which is almost
exactly equal to the mass of one liter of
water.
The Newton is a unit of force, and it is equal
to the amount of net force required to accelerate
a mass of one kilogram at a rate of one meter per
second squared.
The Newton is named after Isaac Newton in
recognition of his work on classical
mechanics.
The Newton’s second law of motion states
that
F = ma
If you look at the units in this formula,
m is mass and it has units of kg;
a
is acceleration and it has units of
meter/s2, therefore you get the Newton
as the unit of force.
Force{Newton} = mass {Kg} acceleration
{meters/sec2}
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