Question

Calculate the tension in the string shown in figure
(5-E13). The pulley and the string are light and all
surfaces are frictionless. Take g = 10 m/s.
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Answer 1

Explanation:

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Answer 2

Explanation:

mg-T=a

T=a

add eqn 1 and 2

mg=2a

1×10=2a

10÷2=a

5=a

Now,

a=5 put in eqn1

mg-T=a

1×10-T=5

10-T=5

10-5=T

T=5 N

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