1.

Calculate the tension in the string connectedbetween the 1 kg and 3 kg masses.

Answer»

Answer:

.

We have,

f

1

=20N,f

2

=10N

m

1

=2kg,m

2

=4KG

Let tension between the blocks is T

Here, F

1

>F

2

So, the net force acts in the right direction.

for BLOCK of mass 2 kg,

T−F

2

=2a

T−10=2a.........(1)

For the block of mass 4kg,

F

1

−T=4a

20−T=4a.......(2)

BY SOLVING the above two equation the we get,

10=6a

⇒a=

3

5

m/s

2

THUS,

From equation (1) we get,

T=10+

3

10

=

3

40

N


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