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# PBHS Forces+Ch 6

### * PBHS Types of Forces + Chapter 6 (Physics 1st)

Definition of contact forces Forces that physically require a push or pull
All the contact forces Applied, Normal, Tension, Spring, Air Resistance, and Friction
Definition of applied force A physical push or pull that a person or object applies
Definition of normal force A support force
Definition of tension force Stretching
Definition of spring force Compressing
Definition of air resistance Air resisting motion
Definition of friction The force that opposes motion when two objects are in contact. It is not a contact force on the atomic level.
Definition of field forces Forces that do not require a physical touch and work over a distance
All the field forces Gravity, Magnatism, and Electricity
Definition of gravity Two or more objects having a natural attractive force
What gravity is dependent on The mass of an object
Definition of magnetism The force between magnets
Definition of electricity Charges of atoms
Definition of Agent What is doing the force
Definition of Receiver What is receiving the force
What a free body diagram is what shows relative magnitude and direction of all forces acting on an object
when an unbalanced force exists when the vertical and horizontal forces do not cancel each other out
what an interaction is mutual action
Newton realized that a ______ is not a thing in itself but part of a ________ force, mutual action
Exact definition of Newton's third law Whenever one object exerts a force on a second object, the second object exerts an equal and opposite force on the first object
One force is called_______ force. The other force is called _____ force. It doesnt matter which force we call ____ and which we call _____. action force, reaction force, action, reaction
In every ________, the forces always ________. interaction, occur in pairs
Newton's 3rd law in simple terms for every action, there is an equal and opposite reaction
Created by: loydon5