You are helping a friend move, and you need to load a box of books weighing 265kg.
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Question:
- You are helping a friend move, and you need to load a box of books weighing 265kg. You slide the box up a ramp, which has an incline of 30.0D and a coefficient of static friction of 0.45. You apply a force on the box at an angle of 39.00 with respect to the ramp.
- a) Calculate the minimum force needed to slide the box up the ramp.
- b) Now you want to stop half way up the ramp. What coefficient of static friction must exist between the box and the ramp for the box to stay in place?
Related Book For
Fundamentals of Ethics for Scientists and Engineers
ISBN: 978-0195134889
1st Edition
Authors: Edmund G. Seebauer, Robert L. Barry
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