Question: The force that must be exerted to drive a nail into a wall is roughly as shown in the graph. The first 1.2 cm are

The force that must be exerted to drive a nail into a wall is roughly as shown in the graph. The first 1.2 cm are through soft drywall; then the nail enters the solid wooden stud. How much work must be done to hammer the nail a horizontal distance of 5.0 cm into the wall?

Fr (N 120 50 0 1.2 5.0 x (cm)

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