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Copy of Forces and Motion

Definitions and Examples of Forces and Motion for Science and Technology 11.
by

Kimberly Rauschenberger

on 1 March 2016

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Transcript of Copy of Forces and Motion

Forces & Motion
Motion: The act of changing something's position or place.
1) When an object has moved, it has changed place.

2) It moves a distance from where it starts to where it ends up.
Velocity: Speed + Direction
Acceleration: The rate at which an object changes its velocity.
speeding up
slowing down
changing direction
Force

Applied Force: When a force is APPLIED by a person or another object.
A PUSH OR PULL
Frictional Force: A force that opposes the motion of two surfaces that are in contact with one another.
Air resistance
Normal Force: Exerted on a stable object in response to another object in contact with it. Works against gravity
Spring Force: A force that is exerted by a spring compression.
Gravitational: A force of mutual attraction that exists between all bodies of matter. Dependent on how much mass each body has, and how far apart they are from each other.
Non-Contact Forces
Contact Forces
Electrical: Force of attraction between unlike electrical charges +/-; Force of repulsion by alike electrical charges. +/+
Magnetic: The same as Electrical force, only while in motion
Frictional forces between the air and the surface of an object.
Velocity
Speed
+
Direction
Any influence that causes an object, at rest, to move. It may also change the speed and/or direction of an object
Displacement:

The shortest distance between the starting point and the end point.
Non-Contact
Forces
Tension: the force that is transmitted through a string, rope, cable or wire when it is pulled tight by forces acting from opposite ends.
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