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Force and motion

unit lessons 4,1,and2

Friction is a force that resist the movement of one surface past another
Gravity is the force of attraction that exist between any two objects
force is a push or pull that acts on an object
speed the distance and objects that moves in an given time
Inertia the tenacity for an object to remain at rest or in motion
weight is the force caused by the gravitational attraction of the earth
velocity a change in the speed of direction of an moving object
energy the ability to cause motion to change
acceleration is produced when a force acts on a mass. the greater the mass of the object being accelerated the greater the amount of force needed to accelrate the objects
motion the action or process of moving or of changing place or movememnt
drag to draw with force effort or difficulty pull heavily or slowly along haul trail
work exertion or effort directed to produce of accomplish something labor toil
mass a body of coherent matter usually of indefinite shape and often of considerable size
momentum force or speed of movement
presure pressure the exertain of force
direction the line of which anything lies
Created by: 00014102