- Sound vibrations with frequencies greater than 20000 Hz are called
- resultant force of 2 forces acting along the same straight line
- object decelerating in a distance-time graph
- object at rest in a distance-time graph
- change in pressure beneath surface of a liquid equation
- what happens to radius if force increases (mass/speed constant)
- what does an increase mass require to keep speed and radius constant
- what happens when there is no resultant force or momentum to an object
- gravitational field strength + equation (it is equal to acceleration of free fall)
- what is the main source of energy (expect geothermal, nuclear and tidal)
- equation for change in gravitational potential energy
- what is acceleration of free fall (g) of an object near the surface of the earth
- what happens to speed if force increases (mass/radius constant)
- how to calculate speed in a distance-time graph
- object moving with constant speed in a distance-time graph
- how to calculate distance in a speed-time graph
- object at a changing acceleration in a speed-time graph
- how to calculate acceleration in a speed-time graph
- What line define the magnetic field of an object?
- When two magnets are brought near each other what will happen if two opposite ends are near each other?