p6 Flashcards
1
Q
scalar quantity is equal to the product of the diplacement
A
work
2
Q
three things that are necessary to happen at work
A
- There must be an applied force
- There must be a displacement
- There must have a components
3
Q
pushing a wall
A
no work is done
4
Q
pushing a book across the table
A
work is done
4
Q
force and displacement are perpendicular
A
no work is done
5
Q
90°
A
no work is done
6
Q
0°
A
work is done
7
Q
force displaces the object in its direction the work is done
A
positive work
8
Q
direction force and the displacement are perpendicular
A
zero work
9
Q
fore and the displacement are in opposite direction
A
negative work
10
Q
A