Finding the lever arm and multiplying it by the applied force is a useful method for calculating the amount of the torque.
The distance that separates the force's line of action from its rotational axis is known as the lever arm. and the torque's magnitude is = N m. The definition of torque is the product of the force's strength and the angle at which the force's line of action is perpendicular to the axis of rotation. The torque, defined in relation to the rotational axis, is equal to the size of the force vector component located in the plane perpendicular to the axis, times the shortest distance between the direction and the axis.
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