College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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A box of mass m=4.00 kg is pressed against the ceiling of a room by an upward vertical force F-> =66.0ȷ^ N as shown in the figure. Assume that the magnitude of gravitational acceleration is g-> =10.0ȷ^ m/s2. Determine the normal force N-> that the roof exerts on the box. (In the alternatives below, consider j =ȷ^).
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