Science- Forces Flashcards
1
Q
Air Resistance
A
The force of friction on an object when it moves through the air
2
Q
Force
A
Interaction between two objects that result in each exerting a push or pull on the other
3
Q
Friction
A
Force causes when one surface rubs against the other
4
Q
Gravity
A
Force between two objects causes by their masses
5
Q
Lubrication
A
Reduction of friction, often using a thick liquid, e.g. oil
6
Q
Mass
A
Amount of matter in an object, measured in kilograms (kg)
7
Q
Newton
A
The unit of force (N)
8
Q
Streamlined
A
A smoothly curved shape to help objects move more quickly through liquids or gases
9
Q
Upthrust
A
Upward force on a solid object when it is in a liquid or gas
10
Q
Weight
A
The pull of gravity on an object, a force, measured in Newtons (N)