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A spring balance reads forces in Newton....

A spring balance reads forces in Newton. The scale is 20 cm long and read from 0 to 60 N. Find potential energy of spring when the scale reads 20 N.

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To find the potential energy of the spring when the scale reads 20 N, we can follow these steps: ### Step 1: Determine the spring constant (K) The spring balance reads from 0 to 60 N over a length of 20 cm. We can find the spring constant (K) using Hooke's Law, which states that the force exerted by a spring is directly proportional to its extension or compression. The formula for Hooke's Law is: \[ F = K \cdot x \] ...
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