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Byju's Answer
Standard XII
Physics
Wave Speed expression
In order to r...
Question
In order to raise a block of mass
100
kg a man of mass
60
kg fastens a rope to it and passes the rope over a smooth pulley. He climbs the rope with an acceleration
5
g
4
relative to rope. The tension in the rope is
(
g
=
10
m
s
−
2
)
.
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Solution
T
−
100
g
=
100
a
T
−
60
g
=
60
(
5
4
g
−
a
)
−
40
g
=
160
a
−
75
g
160
a
=
35
g
a
=
35
160
×
10
=
35
16
m
/
s
2
T
=
100
g
+
100
a
1000
+
100
×
35
16
4000
+
875
4
=
4875
4
=
1218.75
N
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Similar questions
Q.
In order to raise a mass of
100
k
g
, a man of mass
60
k
g
fastens a rope to it and passes the rope over a smooth pulley. He climbs the rope with acceleration
5
g
/
4
relative to the rope. The tension in the rope is (take
g
=
10
m
s
−
2
):
Q.
in order to raise a mass of 100 kg a man of mass 60 kg fastens a rope to it and passes the rope over a smooth pulley. he climbs the rope with an acceleration 5 g/ 4
Q.
Block A of mass
m
/
2
is connected to one end of light rope which passes over a pulley as shown in the figure. Man of mass
m
climbs the other end of rope with a relative acceleration of
g
/
6
with respect to rope. Find acceleration of block A and tension in the rope.
Q.
Two men of masses
m
1
a
n
d
m
2
hold on the opposite ends of a rope passing over a frictionless pulley. The mass
m
1
climbs up the rope with an acceleration of
1.2
m
/
s
2
relative to the rope. The man
m
2
climbs up the rope with an acceleration of
2.0
m
/
s
2
relative to the rope. They start from rest and are initially separated by
5
m
. (Given
m
1
=
40
k
g
and
m
2
=
60
k
g
)
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