how to solve it???????
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Answer:
the correct answer is 2nd 20N
pls everyone follow up
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Force = 100 N
Mass(A) = 10 kg
Mass(B) = 5 kg
Mass(C) = 10 kg
Total mass = 25 kg
From Second law of Motion,
F = ma
a = F / m
a = 100 / 25
a = 4 m/s^2
Now,
Contact force between B and C :
= a * Mass(C)
= 4 * 10
= 40 N
Hence option 3) 40 N is correct.
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