Home Physics System of Particles Rotational Motion JEE Main 2023 An object of mass 8 kg is hanging from one e…
Physics System of Particles Rotational Motion JEE Main 2023 MCQ (Single Correct)

An object of mass 8 kg is hanging from one end of a uniform rod CD of mass 2 kg and length 1 m pivoted at its end C on a vertical wall as shown in figure. It is supported by a cable AB such that the system is in equilibrium. The tension in the cable is :(Take g = 10 m/s 2 )

A
240N
B
90N
C
300N
D
30N

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Verified by Experts
The correct answer is:
C

Taking torque about point C

x60 =20x50 + 80x 100

3T=100 + 800

=300N

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