Key Words Flashcards
1
Q
Force
A
A push or pull
2
Q
Balanced forces
A
Forces that are equal in size but opposite in direction
3
Q
Unbalanced forces
A
A force applied to an object which is not balanced by an equal opposing force. It will cause an object to accelerate or decelerate.
4
Q
Friction
A
A force caused by surfaces rubbing against each other.
5
Q
Gravity
A
The force acting on every kilogram of mass that makes things fall
6
Q
Newton (N)
A
The unit of force
7
Q
Newton Balance
A
An instrument that measures force in Newton’s
8
Q
Mass
A
The amount of matter in an object measured in kilograms
9
Q
Weight
A
The force on a mass due to gravity
10
Q
Force diagram
A
A diagram showing all of the force acting on an object
11
Q
Air resistance
A
Friction between a moving object and air
12
Q
Streamlining
A
Smoothing the shape of an object to reduce air resistance
