A block of mass m = 5.70 kg is attached to a light spring and slides on a rough horizontal surface as shown in the figure below. The spring constant is k = 90.0 N/m and the coefficient of kinetic friction between the block and the surface is µy = 0.150 . The block is released from rest when the spring is stretched the distance x; = 22.00 cm . x= 0 x= X; (a) Find the work done by the friction force from the start of the motion to the moment when the block passes the equilibrium positior x = 0. W = (b) Find the speed of the ball when it passes the equilibrium position x = 0 . V = m/s (c) Find the position of the block xf, at which it will stop. Xf = cm
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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