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