The ratio of tension T, and T2 is (strings are
massless)
[NCERT Pg. 99]
(1) 7:2
(2) 7:5
(3) 5:2
(4) 2:7
Answers
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1
Explanation:
Refer above image 1.
F−T
1
=m
1
a∣T
1
−m
2
g=m
2
a
a
1
=
m
1
+m
2
F−m
2
g
a
1
=
130
1000−800
a
1
=
130
200
T
1
=F−m
1
a
=1000−50×
130
200
Refer above image 2.
F+m
1
g−T
2
m
1
a∣T
2
−m
2
g=m
2
a
F+m
1
g−m
2
g=(m
1
+m
2
)a
a
2
=
130
1000+500−800
a
2
=
130
700
T
2
=80(
130
700
+10)
T
2
T
1
=
56,000+1,04000
1,30,000−1,00,000
=
4
3
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