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Activity 3-Moving Masses

Objectives
• describe the relationship between mass and weight
• observe the relationship between force and acceleration
• observe the relationship between force and mass
• predict the falling rate of balls of different masses
Vocabulary
acceleration - rate of change in speed and direction
mass - amount of matter in an object
Newton's 2nd Law - a greater unbalanced external force causes a greater acceleration of an object in the direction of the force.  A greater unbalanced external force is required to accelerate an object with more mass. (Force = mass x acceleration)
gravity
mass
weight

Watch Mr. Noyes do the experiment.
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