Mechanics Assumptions Flashcards
1
Q
A particle
A
Mass at the centre, no rotational force/moment
2
Q
A lamina
A
All the weight acts through one plane
3
Q
Uniform
A
Centre of mass is at the centre of the object
4
Q
A smooth surface
A
No friction
5
Q
A rough surface
A
Friction is involved, acting in the opposite side of motion
6
Q
A light object
A
No mass
7
Q
An inextensible string
A
The magnitude of the acceleration is equal
8
Q
A rigid body
A
Two points on the body lie on the same plane
9
Q
A smooth pulley
A
Tension is equal on both sides of the pulley
