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Contact forces

# Contact forces

AP.PHYS: INT‑3.C (EU), INT‑3.C.4 (EK), INT‑3.C.4.1 (LO), INT‑3.C.4.2 (LO)
You might need: Calculator

## Problem

The spring in a pinball machine has a spring constant k of 2, comma, 130, start fraction, start text, N, end text, divided by, start text, m, end text, end fraction.
What is the magnitude of the force required to compress this spring 4, point, 5, start text, c, m, end text?