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Thanks, I got it.kuruman said:There are 4 forces acting on the bar. You show only 3 in your attempt.
Rotational equilibrium is a state in which an object is not rotating or accelerating around its axis. This means that the net torque acting on the object is zero, and the object will maintain its current rotational position and velocity.
Torque is calculated by multiplying the force applied to an object by the distance from the point of rotation to the point of application of the force. This can be represented by the equation T = F x d, where T is torque, F is force, and d is distance.
Static equilibrium refers to a stationary object that is not moving or rotating, while dynamic equilibrium refers to an object that is moving at a constant velocity or rotating at a constant angular velocity. Both types of equilibrium require a balance of forces and torques.
An object is in rotational equilibrium if the net torque acting on it is zero. This can be determined by calculating the torques of all the forces acting on the object and ensuring that they cancel each other out. If the net torque is not zero, the object will rotate.
The factors that affect rotational equilibrium include the magnitude and direction of forces, the distance from the point of rotation to the point of application of the force, and the mass and distribution of mass of the object. Any changes in these factors can affect the net torque and disrupt rotational equilibrium.