Some students are making a domino cascade for a fair project and want to use a ball rolling up and then down an incline in one part of it. The timing has to be very precise so they need to know exactly how long it will take the ball to go up and down. They have measured the acceleration of the ball on the incline to be a = 2.50 m/s². = (A) The ball passes point B at to = 0, rolls up to C which is a distance of dBc = 1.10 m up hill, then down to A, which is a distance dca 1.80 m downhill from C. How long will it take from start to finish? A B = C
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.
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