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SCI 7 Unit 2 2022

Force & Motion

QuestionAnswer
What is required to change the velocity of an object? Force
What does an object's change in velocity depend on? The direction & strength of the force
What can cause a greater change in velocity, a weaker force or a stronger force? A stronger force
If the same strength force is exerted on a heavy object and a light object, which will have a greater change in velocity? The light object
When two objects collide, how many forces are there? 2 forces, equal in strength & moving in opposite directions
When two objects collide, what is the strength of the forces involved? The forces in a collision are equal
When two objects collide, what direction are the forces going? The forces in a collision are going in opposite directions
If a lighter object and a heavier object collide, which object will have a greater change in velocity? The lighter object
If a lighter object and a heavier object collide, which object will have a lesser change in velocity? The heavier object
What is velocity? Speed in a particular direction
What is a force? A push or pull that can change the motion of an object
What is a collision? The moment when two objects hit each other
What is friction? A force between an object and the surface it is moving over
What are the 5 ways an objects motion can change? Start moving, stop moving, speed up, slow down, change directions.
What does exert mean? To apply a force
If a heavy object and a light object both have the same change of velocity, which object had a stronger force applied on it? The heavy object
What can cause a greater change in velocity? A stronger force
Created by: lanichols54
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