A 2.5-kg ball (1-2/5 mr²) of radius of 0.5 m is connected to B by cable AB. The ball is falling freely with a velocity of V 2.65 m/s when suddenly cable AB becomes taut. Assume that when the cable becomes taut, end A is directly to the right of the mass center G. B A 1. Which of the following statements is FALSE regarding the ball JUST AFTER the cable becomes taut? a. The ball is in general plane motion. b. The velocity of point A is perpendicular to cable AB c. The tension on the cable is nonzero. d. The velocity of the ball's center of mass is purely vertical 3. Just after the cable becomes taut, which of the following absolute-relative velocity equations is VALID to relate points A and G of the ball? A. U'G=VG ↓ B. G = WrGA C. 'G=VA + WrGA + DB'G=VA / + COGA + DY 4. The following equations of motion are VALID EXCEPT A Ex 8 17 TAB&L = my 15 B. Ly: mva- TAB&t=mvoy CEMA: mvGGA = Icw+mvcGA D. EMTABAIGA 5. If the impulse exerted by the cable on the ball during impact is 1.984 Ns, what is the angular velocity of the ball just after the cable becomes taut? شرم سے 8 15

Structural Analysis
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Chapter2: Loads On Structures
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A 2.5-kg ball (1=2/5 mr²) of radius of 0.5 m is connected to B by cable AB. The ball is falling
freely with a velocity of Vc= 2.65 m/s when suddenly cable AB becomes taut. Assume that when
the cable becomes taut, end A is directly to the right of the mass center G.
B
A
1. Which of the following statements is FALSE regarding the ball JUST AFTER the cable
becomes taut?
a. The ball is in general plane motion.
b. The velocity of point A is perpendicular to cable AB
c. The tension on the cable is nonzero.
d. The velocity of the ball's center of mass is purely vertical
3. Just after the cable becomes taut, which of the following absolute-relative velocity
equations is VALID to relate points A and G of the ball?
A. U'G=VG ↓
B. 'G = WrGA
C.U'G=VA S
+ wrGA +
D. B'G=VA / + COGA!
DV
4. The following equations of motion are VALID EXCEPT
8
A
Ex: TAB At = mvx
B. Ly: mvG
- 15 ΧΛΩΔΕ = mucy
CEMA: MUGGA = 10 + mvay"GA
8
15
D. 2MG TABAGA = 10-17/
5. If the impulse exerted by the cable on the ball during impact is 1.984 Ns, what is the angular
velocity of the ball just after the cable becomes taut?
8
15
Transcribed Image Text:A 2.5-kg ball (1=2/5 mr²) of radius of 0.5 m is connected to B by cable AB. The ball is falling freely with a velocity of Vc= 2.65 m/s when suddenly cable AB becomes taut. Assume that when the cable becomes taut, end A is directly to the right of the mass center G. B A 1. Which of the following statements is FALSE regarding the ball JUST AFTER the cable becomes taut? a. The ball is in general plane motion. b. The velocity of point A is perpendicular to cable AB c. The tension on the cable is nonzero. d. The velocity of the ball's center of mass is purely vertical 3. Just after the cable becomes taut, which of the following absolute-relative velocity equations is VALID to relate points A and G of the ball? A. U'G=VG ↓ B. 'G = WrGA C.U'G=VA S + wrGA + D. B'G=VA / + COGA! DV 4. The following equations of motion are VALID EXCEPT 8 A Ex: TAB At = mvx B. Ly: mvG - 15 ΧΛΩΔΕ = mucy CEMA: MUGGA = 10 + mvay"GA 8 15 D. 2MG TABAGA = 10-17/ 5. If the impulse exerted by the cable on the ball during impact is 1.984 Ns, what is the angular velocity of the ball just after the cable becomes taut? 8 15
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