Question

# Two spheres A and B are placed between two vertical walls as shown in figure. Friction is absent everywhere. The ratio of $${N}_{A}$$ to $${N}_{B}$$ is

A
1
B
2
C
4
D
cannot be determined

Solution

## The correct option is A $$1$$As the system is in equilibrium the construct force at $$A$$ is equal to the sin of contact force between $$A$$ and $$B.$$Same for ball $$B.$$The contact force at $$B$$ is same as the sin of contact force between $$A$$ and $$B$$ therefore the ratio is $$1:1$$hence,option $$(A)$$ is correct answer.Physics

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