A solid sphere of mass M of 69.6 kg is on a surface. It is attached to a wall by two springs with the same constant K= 10N/m. Initially the sphere is at rest and the springs unstretched. The sphere is pulled a distance 4.5 m and then released. What is the speed of the sphere as it passes through equilibrium? What is the angular frequency ω of the motion? What would the spring constants have to be for this system to have the same ω as a system comprised of a single block of mass and spring with stiffness K? What would the mass of the sphere have to be for this system to have the same ω as a system comprised of a single block of mass and spring with stiffness K?
Simple harmonic motion
Simple harmonic motion is a type of periodic motion in which an object undergoes oscillatory motion. The restoring force exerted by the object exhibiting SHM is proportional to the displacement from the equilibrium position. The force is directed towards the mean position. We see many examples of SHM around us, common ones are the motion of a pendulum, spring and vibration of strings in musical instruments, and so on.
Simple Pendulum
A simple pendulum comprises a heavy mass (called bob) attached to one end of the weightless and flexible string.
Oscillation
In Physics, oscillation means a repetitive motion that happens in a variation with respect to time. There is usually a central value, where the object would be at rest. Additionally, there are two or more positions between which the repetitive motion takes place. In mathematics, oscillations can also be described as vibrations. The most common examples of oscillation that is seen in daily lives include the alternating current (AC) or the motion of a moving pendulum.
. A solid sphere of mass M of 69.6 kg is on a surface. It is attached to a wall by two springs with the same constant K= 10N/m. Initially the sphere is at rest and the springs unstretched. The sphere is pulled a distance 4.5 m and then released.
What is the speed of the sphere as it passes through equilibrium?
What is the angular frequency ω of the motion?
What would the spring constants have to be for this system to have the same ω as a system comprised of a single block of mass and spring with stiffness K?
What would the mass of the sphere have to be for this system to have the same ω as a system comprised of a single block of mass and spring with stiffness K?
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