One person stands on the scale, its indication is 500N, another hanging spring scale bottom hangs an object of 300N When the person pushes up the object with a force of 100 N, what is the indication of the spring scale? What is the indication of the scale? When the person pulls down the object with a force of 50 N, what are the indication of the spring scale and the scale? Why?

One person stands on the scale, its indication is 500N, another hanging spring scale bottom hangs an object of 300N When the person pushes up the object with a force of 100 N, what is the indication of the spring scale? What is the indication of the scale? When the person pulls down the object with a force of 50 N, what are the indication of the spring scale and the scale? Why?

200N 600N 350N 450N
The indication of the spring scale is the pulling force on the object. Due to the acting force and reaction force, when people apply force on the object, the indication of the scale changes, which is the pressure on it