In Problems 70 through 72 you are given the dynamics equations that are used to solve a
Question:
In Problems 70 through 72 you are given the dynamics equations that are used to solve a problem. For each of these, you are to
a. Write a realistic problem for which these are the correct equations.
b. Draw the free-body diagram and the pictorial representation for your problem.
c. Finish the solution of the problem.
(100 N) cos 30º - fk = (20 kg)ax
n + (100 N) sin 30º - (20 kg)(9.80 m/s2) = 0
fk = 0.20n
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a Realistic problem A 20kg crate is being pulled with a force of 100 N at an angle of 30 degrees ...View the full answer
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Related Book For 
Physics for Scientists and Engineers A Strategic Approach with Modern Physics
ISBN: 978-0133942651
4th edition
Authors: Randall D. Knight
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