Forces & speed Flashcards
(38 cards)
What force is pushing up on me while i am sat on a stool?
Reaction force
What force causes a airplane to slow down in the air?
Air resistance
What are balanced forces?
Equal and opposite forces acting on an object
What are compressed forces?
To squash into a smaller space
What are contract forces?
A force that acts on an object when in contact with a surface,air or water
What does ‘deform’ mean?
To change shape
What is drag force?
Force on object moving through air/water that causes something to slow down
What is the force that is pushing/pulling something?
Drive force
What is the ‘elastic limit’?
Point beyond which a spring will not change when the force is removed
What is the force acting between 2 charged options?
Electrostatic force
What is the synonym of equilibrium?
Balanced
What is extension?
Amount by which an object gets longer when force is applied
What is the name of a region where something feels a force?
Field
What is friction?
The force that resists movement between contact surfaces
What is the non-contact force that acts between 2 masses?
Gravity
What is ‘Hooke’s law’?
A law that says that if you double a force on an object the extension will double
What is interaction pair?
When 2 objects interact there is a force on each one that is the same size but in opposing directions
Kilogram(kg)
A unit of mass
What is lubrication?
Substance that reduces friction between surfaces when rubbed together
Magnetic force
Force between 2 magnets or a magnet and a magnetic material
Mass
Amount of matter a thing is made of
Newton(N)
The unit of force symbol=N
Newton meter
Equipment used to measure weight in newtons
Non-contact force
A magnetic,electrostatic,or gravitational force between objects not in contact
