Figure P8.50 shows two springs attached to each other, and also attached to a box that can

Question:

Figure P8.50 shows two springs attached to each other, and also attached to a box that can slide on a frictionless surface. In the block's equilibrium position, neither spring is stretched. What is the net force on the block if it is moved 15 cm to the right of its equilibrium position?

k, 10 N/m k, = 20 N/m www. FIGURE P8.50