See-saw of length 6 m is pivoted at its centre. A child (A) of mass 20kg is sitting on one end of the see saw. Where should another child B of mass 30kg. Sit, so that the see saw is balanced?
A. 1m
B. 1.5m
C. 2m
D. 2.5m
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hey mate!
as mentioned in ques..
rod is pivoted at center. .
so it is 3cm on right side and remaning 3cn on left side...
apply..
m1x1 = m2x2
20 * 3 = x *30
60 =30 x
x =2cm
#Phoenix
as mentioned in ques..
rod is pivoted at center. .
so it is 3cm on right side and remaning 3cn on left side...
apply..
m1x1 = m2x2
20 * 3 = x *30
60 =30 x
x =2cm
#Phoenix
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