Free body diagrams Flashcards
1
Q
What are the 2 details we need to know to describe a force?
A
Magnitude
Direction
2
Q
How do we know what forces are acting upon an object?
A
The effects of the force are shown
3
Q
What is a tensile force?
A
Tends to increase the dimension of a material
4
Q
What is a compressive force?
A
Tends to decrease the dimension of a material
5
Q
What is a shear force?
A
Tends to slide adjacent sections or layers over each other
6
Q
What do free body diagrams show us?
A
The forces acting upon an object
7
Q
What is the sum of forces in any direction?
A
0 - equilibrium
