The reading of the spring dynamometer and the deformation analysis of the spring. The effect of the reading force of the spring dynamometer can not only change the motion state of the object, but also cause the object to deform. The spring dynamometer is a general spring force measuring the magnitude of the force according to the effect of the force on the deformation of the object. When measuring the magnitude of the force, one end of the spring (relative to the inertial system) should be stationary, when the spring is balanced.
The reading of the spring dynamometer is equal to the amount of force acting on the other end of the spring. For example, a spring dynamometer is used to measure the gravity of an object or to measure the tension of a person against a spring. If the forces on the upper and lower ends of the spring are equal and opposite, the spring force is equal to zero and the spring is in equilibrium. However, at this time, the spring has an elastic force. The magnitude of the elastic force is equal to the force of the end of the spring. It is also equal to the force generated by the deformation of the spring. If it is within the elastic limit, it can be made according to Hooke's law. The readings on the spring dynamometer are read directly. It is not Hu Yang’s classmates who think that if the forces on both ends of the spring are equal in magnitude and opposite in direction.
The resultant force F of the spring will be zero and the spring dynamometer will read zero. The deformation of the spring analyzes any object that undergoes more or less deformation under the action of force. The effect of the force can cause the object to deform. The deformation of an object must have a powerful effect on the object. According to the material mechanics, in general, a pair of balancing forces can cause the elastomer to produce four deformations, namely tensile compression, shearing, torsion and bending. For springs, the deformation of a pair of balancing forces on the spring involves stretching, bending and torsion, with torsion playing a major role.
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