explain 5th question with solutions plz fast help me fast .............
I need process not option
send me process and solution
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Answered by
1
Answer:
Option 2 - 3:1
Step-by-step explanation:
Total mass of three blocks:M=5+2+1=8kg
Acceleration of the blocks: a=
M
F
=
8
16
=2
Let N
AB
and N
BC
be the force exerted by block A on B and by block B on C respectively.
F−N
BA
=m
A
a where N
AB
=N
BA
∴16−N
BA
=5×2=10
⇒N
BA
=6=N
AB
N
AB
−N
CB
=m
B
×a=2×2=4
∴N
CB
=N
BC
=6−4=2
∴
N
BC
N
AB
=
2
6
=
1
3
Answered by
0
option 2..............
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