A square Lamina OABC of length 10 cm is pivoted at O. Forces act… | JEE Main 2025 Physics PYQ

MCQEasyJEE Main 2025 · 2 April, Shift 1Torque & Angular Momentum

A square Lamina OABC of length $10 \, \text{cm}$ is pivoted at $O$ . Forces act at Lamina as shown in figure. If Lamina remains stationary, then the magnitude of $F$ is:

Square lamina OABC of side 10 cm pivoted at O (bottom-left), A bottom-right, B top-right, C top-left. At A a 10 N force acts rightward and a 10 N force acts downward; at B a 10 N force acts upward and a 10 N force acts rightward; at C a 10 N force acts upward and the unknown force F acts leftward.

A
$20 \, \text{N}$
B
$0$ (zero)
C
$10 \, \text{N}$
D
$10\sqrt{2} \, \text{N}$

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