Yes . It is an example for contact force.
External
breathing in through your nose is internal, breathing out through your mouth is external.
Friction produces internal energy because of force. When force builds up it creates energy thus causing friction. The more force on something the more energy it will build up.
Frictional force.
A baseball is a great example of an internal force. The particles holding the baseball together is an internal force. But a baseball bat hitting the baseball is not an internal force, because an internal force is a force exerted by one part of a structure on another. The bat hitting the ball is an external force. Another example is a car. The pistons pushing the rods, the axle pushing the wheels, the wheels moving the car...etc. All these things are internal forces working on the car because the these things are all inside the car. But the friction created by the wheels of the car on the ground is an external force, as is the force holding the car up. Hope this helps!
example of internal tourism
the internal force is bending
Yes,torsion(Twist) is an internal force,along with tension(stretch),shear(cut,bend),compression(squeeze).An internal force acts between two parts of something.
Internal forces refers to thoughts, feelings, and beliefs within a person. Example: you think about (internal) drinking a soda so you decide (force) to go to the store to buy one. External forces refers to anything outside like parents telling you to take the trash out. Example: parents are outside of you (external) and they are telling you (force) to do something. Hope that this makes sense for you
periscope is an example of total internal reflection.
A force internal to the system under consideration. Whether a force is regarded as internal or external depends on how the system is defined and classified, and is largely a matter of convenience. In biomechanics, the human body is generally regarded as the system and any force exerted by one part of the body on another is an internal force. Muscle contractions produce internal forces, which move a joint. Compare http://www.answers.com/topic/external-force.
external force and internal force
An internal force, in business management context, is an impacting factor on the business (be it favourable or otherwise) occuring/existing within the organization and controlling this factor is within the reach of an organization and not beyond it.
An internal force is a force acted upon by an object to force another object's movement internally. An external force is a force exerted on an object based on the objects position and force applied on the object which causes the opposite forces change in motion.
Compression
Yes, it is.