Forces Flashcards
What do forces do?
Push, pull or twist.
Upthrust
A force pushing upwards on an object in a liquid.
Air resistance/drag
The force acting against any object that is moving through the Earth’s atmosphere.
Friction
The force between two surfaces sliding over one another that causes them to heat up and wear.
Thrust
A push caused by an engine.
Lift
A force pushing upwards on an object flying in the air.
Weight
The force pulling an object towards the centre of the Earth.
When two forces are equally acting on one object that object will remain…?
Stationery.
What will happen if the forces are unbalanced on an object?
It will speed up or slow down.
What is mass
A large body of matter with no definite form or shape.
density=
Is the amount of particles in an area
If you apply a force to an object it will…?
Change its direction or speed.
speed=
Distance/Time
Distance=
Speed x Time
Time=
Distance/Speed
