▼ ▼ Part A - Kinetic Energy of a Pulley and Weight System Consider the pulley and weight system shown in the figure. (Figure 2) The pulley has mass 12.0 kg, outer radius Ro = 150 mm, inner radius R = 100 mm, and radius of gyration ko 123 mm. Cylinder A weighs 73.0 N. Assume there is no friction between the pulley and its axle and that the rope is massless. At the instant when w = 81.0 rad/s clockwise, what is the kinetic energy of the system? Express your answer to three significant figures and include the appropriate units. ▸ View Available Hint(s) T = μА Value Submit Previous Answers * Incorrect; Try Again T = Units Part B - Kinetic Energy of a Rolling Bicycle Wheel The bicycle wheel shown in the figure rolls without slipping. (Figure 3) The wheel has a weight of 5.70 lb, a radius of r= 13.0 in, and is rolling in such a way that the center hub, O, is moving to the right at a constant speed of v= 12.0 ft/s. Assume all the mass is evenly distributed at the outer radius r of the wheel/tire assembly. What is the total kinetic energy of the bicycle wheel? Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s) μÁ Value ? Units Submit Previous Answers ?
▼ ▼ Part A - Kinetic Energy of a Pulley and Weight System Consider the pulley and weight system shown in the figure. (Figure 2) The pulley has mass 12.0 kg, outer radius Ro = 150 mm, inner radius R = 100 mm, and radius of gyration ko 123 mm. Cylinder A weighs 73.0 N. Assume there is no friction between the pulley and its axle and that the rope is massless. At the instant when w = 81.0 rad/s clockwise, what is the kinetic energy of the system? Express your answer to three significant figures and include the appropriate units. ▸ View Available Hint(s) T = μА Value Submit Previous Answers * Incorrect; Try Again T = Units Part B - Kinetic Energy of a Rolling Bicycle Wheel The bicycle wheel shown in the figure rolls without slipping. (Figure 3) The wheel has a weight of 5.70 lb, a radius of r= 13.0 in, and is rolling in such a way that the center hub, O, is moving to the right at a constant speed of v= 12.0 ft/s. Assume all the mass is evenly distributed at the outer radius r of the wheel/tire assembly. What is the total kinetic energy of the bicycle wheel? Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s) μÁ Value ? Units Submit Previous Answers ?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Part A - Kinetic Energy of a Pulley and Weight System
Consider the pulley and weight system shown in the figure. (Figure 2)
The pulley has mass 12.0 kg, outer radius Ro = 150 mm, inner radius R = 100 mm, and radius of gyration
ko 123 mm. Cylinder A weighs 73.0 N. Assume there is no friction between the pulley and its axle and that
the rope is massless.
At the instant when w = 81.0 rad/s clockwise, what is the kinetic energy of the system?
Express your answer to three significant figures and include the appropriate units.
► View Available Hint(s)
T =
μA
Value
Submit Previous Answers
X Incorrect; Try Again
Units
Part B - Kinetic Energy of a Rolling Bicycle Wheel
Ol
The bicycle wheel shown in the figure rolls without slipping. (Figure 3)
The wheel has a weight of 5.70 lb, a radius of r= 13.0 in, and is rolling in such a way that the center hub, O,
is moving to the right at a constant speed of v= 12.0 ft/s. Assume all the mass is evenly distributed at the
outer radius r of the wheel/tire assembly.
μÅ
What is the total kinetic energy of the bicycle wheel?
Express your answer to three significant figures and include the appropriate units.
► View Available Hint(s)
T = Value
?
Vo
p
Units
Submit Previous Answers
?
Transcribed Image Text:Part A - Kinetic Energy of a Pulley and Weight System
Consider the pulley and weight system shown in the figure. (Figure 2)
The pulley has mass 12.0 kg, outer radius Ro = 150 mm, inner radius R₁ = 100 mm, and radius of gyration
ko 123 mm. Cylinder A weighs 73.0 N. Assume there is no friction between the pulley and its axle and that
the rope is massless.
At the instant when w = 81.0 rad/s clockwise, what is the kinetic energy of the system?
T =
Express your answer to three significant figures and include the appropriate units.
► View Available Hint(s)
μA
Value
Submit Previous Answers
X Incorrect; Try Again
T =
Units
Part B - Kinetic Energy of a Rolling Bicycle Wheel
μÃ
R₁
The bicycle wheel shown in the figure rolls without slipping. (Figure 3)
The wheel has a weight of 5.70 lb, a radius of r = 13.0 in, and is rolling in such a way that the center hub, O,
is moving to the right at a constant speed of v= 12.0 ft/s. Assume all the mass is evenly distributed at the
outer radius r of the wheel/tire assembly.
Value
?
What is the total kinetic energy of the bicycle wheel?
Express your answer to three significant figures and include the appropriate units.
► View Available Hint(s)
Ro
Units
Submit Previous Answers
?
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