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Q.

Two identical spheres of radii 10 cm each are placed in between two rigid walls (vertical) as shown. The spacing between the walls is 36 cm. Then find the force of contact between the spheres, if the weight of each sphere is 'W'

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a

1.33 W

b

0.75 W

c

1.25 W

d

1.67 W

answer is A.

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Detailed Solution

Question Image Question Image                        

Given R=10cm

Ncos(90−θ)=W

⇒Nsinθ=W

N=Wsinθ

=W3/5=5W3

N=1.67 W

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