Problem 6: Initially, a 15kg rod has an angular speed of 7 rad/sec. What is its angular speed after rotating clockwise by 60°. The 10 N force always acts perpendicular to the end of the rod. Also, what is the speed of point A at its final position? Gravity 10 N 60° 10 N -2 m Figure 5: Rod rotating about axis at O. A
Problem 6: Initially, a 15kg rod has an angular speed of 7 rad/sec. What is its angular speed after rotating clockwise by 60°. The 10 N force always acts perpendicular to the end of the rod. Also, what is the speed of point A at its final position? Gravity 10 N 60° 10 N -2 m Figure 5: Rod rotating about axis at O. A
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Please show all steps. I believe the use of tangential unit vector is key to solving this problem.
Transcribed Image Text:Problem 6: Initially, a 15kg rod has an angular speed of 7 rad/sec. What is its angular speed
after rotating clockwise by 60°. The 10 N force always acts perpendicular to the end of the rod.
Also, what is the speed of point A at its final position?
Gravity
10 N
60°
10 N
-2 m
Figure 5: Rod rotating about axis at O.
A
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