Answer:
We know that, Sl unit of mass, m=1kg
Sl unit of acceleration, a = 1
Now, from Newton's second law, F = ma
Sl
unit of force, F = 1 kg x 1
= 1 kg-
kg- is
known as
1
newton (N) newton (N) = 1 kg-
1
newton can be defined as, "the force is said to be 1 newton if it produces
1 acceleration
in a body of 1 kg mass".
Condition I Given, and mass of
first body
and
mass of
second body From Newton's second law, F = ma or 5 = m, x 8
Condition II Again, using Newton's II law
Sum of two masses
Acceleration produced by the same force provided if both
the masses are tied together.
i.e.,
F = same
combined
mass
Hence, the acceleration is .
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