Title: Force Systems
1Government College of Engineering,
Aurangabad. Maharashtra State,India. (An
Autonomous Institute of Government of Maharashtra)
Department of Applied Mechanics
Presentation on Force System By SALUNKHE UMESH
S.
DATE 26/06/2015
2- A force is an external agency (push or pull)
which changes the state of rest or of uniform
motion of a body. - (i) Produces motion in a body at rest, (ii) Stops
or tries to stop a moving body, or (iii) changes
or tries to change the direction of motion of the
body. - Newton's first law states that every object will
remain at rest or in uniform motion in a straight
line unless compelled to change its state by the
action of an external force. - Newton's second law of motion states that the
rate of change of momentum is equal to the force
acting on the particle. - Force ? rate of change of momentum
- ? rate of change of (mass velocity)
- Force ? mass rate of change of velocity
- ? mass acceleration
- F ? ma
U.S.Salunkhe Force System DATE 26/06/2015
3- A force system is a collection of forces acting
at specified locations in one or more planes. - When two or more forces act on a body, they are
called for a system of force. - Concurrent / Non-concurrent Point
- Coplanar / Non-coplanar Plane
- Collinear/ Non-collinear Linear
- Parallel/ Non-Parallel llel or Not
Concurrent forces The forces, which meet at one
point.
U.S.Salunkhe Force System DATE 26/06/2015
4- Non-concurrent Forces The forces, which act at
different points. - Coplanar forces The forces, whose lines of
action lie on the same plane. - Non-coplanar Forces The forces, whose lines of
action lie on the different plane.
U.S.Salunkhe Force System DATE 26/06/2015
5Collinear forces The forces acting along the
same line of action. Non-collinear
forces The forces acting along the different
lines of action.
U.S.Salunkhe Force System DATE 26/06/2015
6Parallel Forces The forces line of action are
parallel to each other is called parallel forces.
(b) Unlike parallel forces
Collinear
U.S.Salunkhe Force System DATE 26/06/2015
7Coplanar Collinear force system The forces
acting along the same line in the same
plane. Coplanar Non-collinear force
system Coplanar concurrent forces system
U.S.Salunkhe Force System DATE 26/06/2015
8Coplanar Non-concurrent forces system Coplana
r Parallel force system (a) Like Parallel (b)
Unlike Parallel Coplanar Non-parallel force
system (a) Like Parallel (b) Unlike
Parallel Coplanar Non-concurrent non-parallel
forces system
U.S.Salunkhe Force System DATE 26/06/2015
9Non-coplanar Concurrent force system Non-copla
nar Non-concurrent force system Non-coplanar
Parallel force system Non-coplanar
Non-parallel force system Non-coplanar
Non-concurrent Non-parallel force system
U.S.Salunkhe Force System DATE 26/06/2015
10Thank You !!!!