Over a million students use our free study notes to help them with their homework
First of all draw a diagramIf the seesaw is in static equilibrium this means:There is no net force on the seesawThere is no net moment on the seesawAs a result the anti clockwise moments about the pivot e...
Gravitational, electromagnetic, weak and strong.
Resistance can be thought of as the amount of distruption to the flow of electrons. If we look at the equation for resitivity:R=kl/A,where k is the resistivity of the material (and is dependant on the mat...
Energy cannot be created or destroyed, only transformed to different types of energy.
The refractive index is related to the perceived speed at which light is going in that medium. Water is more dense than air, ie there are more particles occupying a given space. So when light travels thro...
←
3
4
5
6
7
→
Internet Safety
Payment Security
Cyber
Essentials