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Science 7
Question | Answer |
---|---|
air resistance | A force that tries to slow things down that are moving through air. It is a type of friction. |
contact force | A force that needs to touch an object before it can affect it (friction) |
drag | Air resistance and water resistance are both sometimes called this |
force | A push or a pull |
force meter | Piece of equipment containing a spring, used to measure forces |
friction | A force that tries to slow things down when two things rub against each other |
gravity | The force of attraction between any two objects |
magnetism | A force that attracts objects made out of iron |
newton (N) | The unit of force |
newton meter | Another name for a force meter |
non-contact force | A force that can affect something from a distance (gravity) |
speed | How fast something is moving. Often measured in metres per second (m/s) |
static electricity | A force which attracts things with extra electrical charges on them |
upthrust | A force that pushes things up |
water resistance | A force that tries to slow things down that are moving through water. It is a type of friction. |
density | The amount of mass that 1cm(3) of a substance has |
displacement | The volume of water pushed out of the way by an object |