Operations Management. This will be the weight on a scale that measures force, otherwise the scale will read it's mass as 4.0kg. This refers to the TENSION force with which the spring scale pulls on something. So let’s understand more about Hooke’s law by examining how the Newton spring balance works. Does the scale read zero, 100 N, or 200 N -- or some other reading? For this reason, a 1 kg reading on a spring scale refers to 9.8 Newtons of tension, and it scales proportionally. 1. Im pretty sure the balance would just read 98 N since the tension above equals the weight of the mass below. Ex 5.8 Two 100-N weights are attached to a spring scale as shown. This scale reads force in newtons. Products. Have two people each hold one of the two spring scales. Leadership. > What is the reading of a spring balance when a stretching force of 10 Newton is applied on the opposite sides at same time? Finance. Hang the object to be measured from the spring scale hook. Explore › guides › education › › Subjects. F = ma. Ignore the masses of the pulleys and strings and assume the pulleys and the incline are frictionless. Management. Accounting. Material. Economics. Introduction. The forces acting on the system are the normal force by the spring scale and the downward weight of the woman. Spring balances come in different sizes. The scale on top would read slightly heavier due to also supporting the weight of the lower scale itself. Read the Newtons scale for force. 2. 2. Read the grams scale for weight. To Use a Spring Scale: Newton's second law states that the force applied to a body produces a proportional acceleration. menu. If used to measure friction force, it is only done so indirectly. To Do and Notice. You can do some interesting investigations of forces using two spring scales. We use Newton's second law to solve this problem. The systems shown below are in equilibrium (with m = 7.00 kg and θ = 27.0°). scale in (a) N. scale in (b) N. scale in (c) N. scale in (d) Spring Scales. Business. The tension in the string is 100 N. This is the force the string must exert up on either of the 100-N weights at either end of the string. Marketing. You have a and m, you want F. F = 27.2*0.8 = 21.76N EXPLORE COLLECTIONS CREATE + back to brit + co. Sign In Sign Up. 2) Im having a little trouble with this one. The Newton Spring Balance. Two identical spring scales, like those used to weigh fish, or those found in physics class. The watermelon pushes down with a force of F = mg = 4.0kg*9.8 = ~ 40N. (sorry about the photo - dont know how to fix it) Homework Equations F=ma, W=mg The Attempt at a Solution 1) Seems easy enough. In the figure below you can see the Newton spring balance in my laboratory. At the top of the spring balance there is a fixed end and at the bottom a free end which moves when a force is applied to it. 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