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Unit Two: PHYSICS. Physics (Forces and Motion) Vocabulary. Force : any push or pull on an object. 2 Types of Forces!. Unbalanced Forces. Balanced Forces. Unbalanced Force. =. Forces acting on an object are NOT EQUAL !. =. =. There IS a change in MOVEMENT!.

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Unit two physics
Unit Two: PHYSICS


Physics forces and motion vocabulary
Physics (Forces and Motion)Vocabulary

  • Force: any push or pull on an object.


2 types of forces
2 Types of Forces!

  • Unbalanced Forces

  • Balanced Forces


Unbalanced force
Unbalanced Force

=

  • Forces acting on an object are NOT EQUAL!

=

=

  • There IS a change in MOVEMENT!

http://media1.break.com/nt/uploads/fb/fb7619dce4c37ea730d5d62051d88cab.wmv


Balanced force
Balanced Force

=

  • Forces acting on an object ARE EQUAL.

=

=

  • There is no change in movement.

  • NET FORCE = 0



Newton s laws of motion
Newton’s Laws of Motion

  • 1. Inertia of Rest & Inertia of Motion

  • 2. Acceleration

  • 3. Action-Reaction


Law 1 inertia of rest
Law 1: INERTIA OF REST

  • An object at rest will stay at rest until acted upon by an UNBALANCED FORCE.

  • Possible unbalanced forces: Tiger Woods, the wind


Law 1 inertia of motion
Law 1: INERTIA OF MOTION

  • An object in motion will stay at the same speed, moving in the same direction unless an unbalanced force acts upon it.

  • Possible unbalanced forces: water, gravity


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