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SCI 7 Unit 2 Pt 1&2

Force & Motion

QuestionAnswer
Fill in the banks: Velocity (1.2) is _____________________ in a particular _____________________. Speed; Direction
What is a push or pull that can change the motion of an object? Force (1.3)
Fill in the blanks: Exert (1.3) means to _____________________ a _____________________. Apply; Force
What is a force between an object and the surface it is moving over? Friction (1.5)
What are the 5 ways an object's motion can change? Start Moving ; Stop Moving ; Speed Up ; Slow Down ; Change Direction
What direction force is needed to slow down an object? Opposite Direction Force
What direction force is needed speed up an object? Same Direction Force
What direction force is needed to stop an object? Opposite Direction Force
What direction force is needed to get an object to start moving? Any Direction Force
What size force will cause a greater change in velocity, a small force or a large force? Large Force
What is required to change the velocity of an object? A Force
If the same size force is applied to two objects, which will have a greater change in velocity, the lighter object or heavier object? The Lighter Object will experience a greater change in velocity.
What is the moment two objects hit each other called? A Collision (3.1)
What is the strength of the forces like in a collision? Same strength
What are the directions of the forces like in a collision? Opposite Directions
In a collision between a lighter and heavier object, which object will have a lesser change in velocity? The Heavier Object
Created by: lanichols54
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