5-5.14. A homogeneous cylinder 3 ft in diameter and weighing 400 lbis resting on two rough inclined surfaces as shown in Fig. P-5-5.14. If theangle of friction is 15°, find the couple C applied to the cylinder thatwill start it rotating clockwise.C= 251 ft-lbAns.5-5.15. Find the couple applied to the cylinder of Prob. 5-5.14 thatwill start counterclockwise rotation.mor-5-5.16. For the cylinder described in Prob. 5-5.14, determine theminimum horizontal force P applied tangentially. to the left at the topthat will start counterclockwise rotation.E TITTE45%Figure P-5-5.1460°1841

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5-5.14. A homogeneous cylinder 3 ft in diameter and weighing 400 lb is resting on two rough inclined surfaces as shown in Fig. P-5-5.14. If the angle of friction is 15°, find the couple C applied to the cylinder that will start it rotating clockwise. C=251 ft-lb Ans.

5-5.14. A homogeneous cylinder 3 ft in diameter and weighing 400 lb is resting on two rough inclined surfaces as shown in Fig. P-5-5.14. If the angle of friction is 15°, find the couple C applied to the cylinder that will start it rotating clockwise. C=251 ft-lb Ans.

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Concept explainers

Basic Terminology in Mechanics

The area of science and mathematics concerned the motion of the objects, the relation between the force matter, and motion if specified. Forces exerted over the objects result in displacements or changes in the position of an object concerning its environment. This branch of physics keeps its roots in Ancient Greece in the form of the scripts of Aristotle and Archimedes.

Question

5-5.14. A homogeneous cylinder 3 ft in diameter and weighing 400 lb
is resting on two rough inclined surfaces as shown in Fig. P-5-5.14. If the
angle of friction is 15°, find the couple C applied to the cylinder that
will start it rotating clockwise.
C= 251 ft-lb
Ans.
5-5.15. Find the couple applied to the cylinder of Prob. 5-5.14 that
will start counterclockwise rotation.
mor
-5-5.16. For the cylinder described in Prob. 5-5.14, determine the
minimum horizontal force P applied tangentially. to the left at the top
that will start counterclockwise rotation.
E

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