2. The strings AB and AC connect the 200 g ball to the vertical shaft, as shown in Fig. 2. The shaft rotates at a constant angular speed w and the ball travels in a horizontal circle with the strings inclined at a = 300 to the shaft. Given that the tension in string AC is 4 N. B 200–g Fig. 2 (400 mm 400 mm

International Edition---engineering Mechanics: Statics, 4th Edition
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Chapter7: Dry Friction
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2. The strings AB and AC connect the 200 g ball to the vertical shaft, as shown in Fig. 2. The
shaft rotates at a constant angular speed w and the ball travels in a horizontal circle with the
strings inclined at a = 300 to the shaft. Given that the tension in string AC is 4 N.
B
200–g
Fig. 2
( 400 mm
400 mm
C.
Transcribed Image Text:2. The strings AB and AC connect the 200 g ball to the vertical shaft, as shown in Fig. 2. The shaft rotates at a constant angular speed w and the ball travels in a horizontal circle with the strings inclined at a = 300 to the shaft. Given that the tension in string AC is 4 N. B 200–g Fig. 2 ( 400 mm 400 mm C.
a. Draw a free body diagram of the forces on the ball.
b. Calculate the radial acceleration of the ball.
c. Find the value of the angular speed w.
d. What is the tangential acceleration of the ball?
Transcribed Image Text:a. Draw a free body diagram of the forces on the ball. b. Calculate the radial acceleration of the ball. c. Find the value of the angular speed w. d. What is the tangential acceleration of the ball?
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