key words Flashcards
Air Resistance
the force of an object moving through the air that causes it to slow.
Balanced
Forces acting on a object that are the same size but act in opposite directions.
Compress
To squash into a smaller space.
Contact Force
A force that acts when an object is in contact with a surface, air or water.
Deform
To change shape.
Drag Force
The force acting on an object moving through air or water that causes it to slow down.
Driving Force
The force that is pushing or pulling something.
Elastic Limit
The point beyond which a spring will not return to its original length when the force is removed.
Electrostatic Force
The force acting between two charged objects.
Equilibrium
Balanced
Extension
The amount by which an object gets longer when a force is applied.
Field
A region where something feels a force.
Friction
The force that resits movement because of contact between surfaces.
Gravity
A non-contact force that acts between two masses.
Hookes Law
The law that says that if you double the force on an object the extension will double.
Interaction Pair
When two objects interact there is a force on each one that is the same but in opposing directions.
Lubrication
A substance that reduces friction between surfaces when they rub together.
Magnetic Force
The force between two magnets.
Mass
The amount of matter a thing is made up of.
Newton Meter
A piece of equipment used to measure weight in newtons
