Question

Three blocks of mass 3kg, 2kg and 1kg placed side by side on a smooth surface as shown in fig.
A horizontal force of 12 N is applied on 3 Kg block. The net force on 3 Kg block. The acceleration
of the system and net force on 3kg block are
​

Answer 1

Answer:

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2. ..
3. ..
4. .
5. .
6. .
7. .
8. .
9. .
10. .
11. .
12. .
13. .
14. .
15. .
16. .
17. .
18. .
19. .
20. .

Answer 2

Answer:

Given,

Mass=3kg,2kg,1kg f=12N

Since 12N is applied on the total mass =2+3+1=6kg

⇒a= f = 12 =2m/s²

m 6

∴ 2kg also moves with 2m/s²

Thus the net force F↓(net) =m×a=2×2=4N

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