The shadow projections of uniform circular motion and simple harmonic motion look identical when the periods of the respective motions are the same. The moving objects are a ping pong ball on a ...

Get the CBSE Class 9th Science chapter, Motion: Important Questions & Preparation Tips 2015. This will provide you with a very clear idea about what type of questions are being framed for the exam and ...

When you swing a ball on a rope in a circle above your head, what keeps it moving in that circular path? This applies to any object moving in a circle, not just a ball on a rope - the force and ...

When a musician strums a guitar, the vibration of the strings creates sound waves that human ears hear as music. When a guitar string is plucked, it moves a certain distance, depending on how hard the ...