5
А
A uniform metre scale is balanced at 60 cm mark
when weighs of 10 gf and 60 gf are suspended at 10cm
and 80cm mark respectively. Find the weight of the metre
scale.
Answers
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Explanation:
An atmosphere is a layer or a set of layers of gases surrounding a planet or other material body, that is held in place by the gravity of that body. An atmosphere is more likely to be retained if the gravity it is subject to is high and the temperature of the atmosphere is low.
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Explanation:
5
А
A uniform metre scale is balanced at 60 cm mark
when weighs of 10 gf and 60 gf are suspended at 10cm
and 80cm mark respectively. Find the weight of the metre
scale.
answer
Correct option is
C
10 g
Sum of moments anti clockwise =100+40
Sum of moments clockwise =50×w
By principal of moments
Sum of clockwise moments = Sum of anti clockwise moments
⇒50×w=500
w=10g
Weight of meter scale =10g.
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