included a picture of someone who solved but they were mostly incorrect. Please do not answer if the solution set I provided with the incorrect answers was you. I appreciate the attempt, but the solutions for 3, 4, 5, 6, 8, 9, 10, 12 were marked wrong, so unless you have different answers, please do not submit the same incorrect solution set. The wheel is attached to the spring. The mass of the wheel is m=20 kg. The radius of the wheel is 0.6m. The radius of gyration kG=0.4 m. The spring’s unstretched length is L0=1.0 m. The stiffness coefficient of the spring is k=2.0 N/m. The wheel is released from rest at the state 1 when the angle between the spring and the vertical direction is θ=30°. The wheel rolls without slipping and passes the position at the state 2 when the angle is θ=0°. The spring’s length at the state 2 is L2=4 m. (1) If the mass center G is set as the origin (datum), the gravitational
Please answer 3, 4, 5, 6, 8, 9, 10, 12
1 is 0, 2 is 0, 7 is point A, 11 is 2.
I included a picture of someone who solved but they were mostly incorrect. Please do not answer if the solution set I provided with the incorrect answers was you. I appreciate the attempt, but the solutions for 3, 4, 5, 6, 8, 9, 10, 12 were marked wrong, so unless you have different answers, please do not submit the same incorrect solution set.
The wheel is attached to the spring. The mass of the wheel is m=20 kg. The radius of the wheel is 0.6m. The radius of gyration kG=0.4 m. The spring’s unstretched length is L0=1.0 m. The stiffness coefficient of the spring is k=2.0 N/m. The wheel is released from rest at the state 1 when the angle between the spring and the vertical direction is θ=30°. The wheel rolls without slipping and passes the position at the state 2 when the angle is θ=0°. The spring’s length at the state 2 is L2=4 m.
(1) If the mass center G is set as the origin (datum), the gravitational potential energy at the state 1 is___ (two decimal places)
(2) If the mass center G is set as the origin (datum), the gravitational potential energy at the state 2 is___ (two decimal places)
(3) The stretched spring length of the spring at the state 1 is________(m) (two decimal places)
(4) The elastic potential energy at the potion 1 is_______(N·m) (two decimal places)
(5) The stretched spring length of the spring at the state 2 is _______(m) (two decimal places)
(6) The elastic potential energy the state 2 is ___ (N·m ) (two decimal places)
(7) The instantaneous center of zero velocity (IC) is
(8) The mass moment of inertial about the mass center G is IG =_________(kg·m2 ) (two decimal places)
(9) The mass moment of inertial about the IC center is IIC =_________(kg·m2 ) (two decimal places)
(10) The kinetic energy at the state1?________ (N·m) (two decimal places)
(11) The angular velocity at the state 2?_______(rad/s) (two decimal places)
(12) The kinetic energy at the state 2?______ (N·m) (two decimal places)
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