- #1
Evan Johnson
- 4
- 0
Homework Statement
Sheldon moves a box of comic books to stuarts comic book store by attaching a rope to the box and pulling with a force of 90 N at an angle of 30. The box of comic books has a mass of 20 kg and the coefficient of kinetic friction between the bottom of the box and the sidewalk is .5. Find the acceleration of the box
Homework Equations
F=ma
The Attempt at a Solution
i know the answer is A=.12 m/s^2 but i have no idea how to get to that answer, please explain!