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 ▸How do you calculate the Earth's escape velocity?
A block of ice slides down the full height from one side of a 1m high bowl and up the other side. Assuming frictionless motion and taking g as 9.81ms-2, find the speed of the block at the bottom of the bowl and the height it reaches on the the other side.
Electrons are accelerated through a potential difference of 300 V. What is their final de Broglie wavelength?
Discuss the difference between sharpness and contrast in x-ray imaging