Finding the work done in moving an object. Work Done by a Variable Force Along a Line. If a variable force F(x) moves an object in a positive direction along the z-axis from z = a to z = b, then the work done on the object is W F(z) dz Part 1. Setup the integral that will give the work done by a constant force, F = 12 lb, in moving a chair (along a line) a distance of 7 feet. %3D Note: Assume that initial position of the chair is at z = 0. Part 2. Calculate the done by the force described above. foot-pounds. Note: enter your answer as an exact value without using decimals.

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