Force Diagram:
An object with definite shape that doesn’t change is called . . . . . . object.
a) non-flexible
b) non-rigid
c) rigid
d) flexible
In force diagram the object on which forces are shown is reduced to a . . . . . at its center.
a) line
b) cross
c) picture
d) dot
When two forces acting on an object are equal in size but act in opposite direction, we say that they are . . . . . . forces.
a) opposite
b) equal
c) balanced
Parallel Forces:
If the direction o forces are parallel to each other, even if they are in opposite direction, those forces are called . . . . . forces.
a) equal
b) parallel
c) same
d) negative
