With the help of a suitably labelled graph, explain what is meant by resonance of a mechanical system.

  • The resonance of a system occurs when the driving force is equal to the natural frequency. - This occurs at a certain specific frequency. - For example: someone being pushed on a swing. - (Diagram on whiteboard)
HE

Related Physics A Level answers

All answers ▸

the moon takes 27.3 days (2.36x10^6s) to orbit the earth . Calculate its distance from the earth . Take the mass of the earth to be 5.975x10^24kg.


An alpha particle is accelerated with 5MeV of kinetic energy towards the nucleus of a gold atom with atomic number 79. What is the distance of closest approach that is reached by the alpha particle?


Describe the workings behind the Photoelectric effect


A spacecraft needs to be slowed down from a speed of 96m/s to 8.2m/s. This can be done by firing an object as the spacecraft is moving. If the mass of the spacecraft is 6730kg and the object is 50kg, calculate the velocity of the ejected object.