Forces Definitions Flashcards
1
Q
Vector quantity
A
A physical quantity that has both magnitude and direction
2
Q
Scalar quantity
A
A physical quantity that has magnitude only
3
Q
Resultant vector
A
A single vector whichhas the same effect as the original vectors acting together
4
Q
Force
A
An interaction between two objects which can cause a change of state of motion of the objects
5
Q
Weight Fg
A
The gravitational force the Earth exerts on any object or near its surface
6
Q
Normal Force Fn
A
The perpendicular force exerted by a surface on an object in contact with it
7
Q
Frictional force due to the surface Ff
A
The force that opposes the motion of an object
