c. Find the normal force on the box . (2 pts) Modeling Instruction 2013 4 U5 Net Force - Test v3.1 Extra Credit: Consider the cart on a track below. A force is applied acting to the right. Assume that friction can be ignored . Indicate what effect the change below will have on the acceleration . Draw a picture or show your math to support your reasoning .(2 pts) Use the following answer key: A. The acceleration will be greater. B. The acceleration will be less . C. The acceleration remains the same .D. It's not possible to tell. 1. The 0.5 N towing force is applied at an angle as shown . 2. A 20 kg child slides down a hill where the coefficient of friction is 0.25. a. Determine the acceleration of the child . Show your work . (up to 5 pts)