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Study for Forces Tes

QuestionAnswer
What is a force? A force is a push or a pull that can change an object’s motion or shape
Name two things a force can change Speed, direction, or shape
What happens when forces are unbalanced? The object’s motion changes
What is speed? How fast an object moves
What is the formula for speed? Speed = distance / time
If distance stays the same, what happens to speed when time decreases? Speed increases
What is friction? A force that opposes motion between touching surfaces
Does friction speed things up or slow them down? It slows objects down
Why does a bike slow down when you stop pedaling? Friction and air resistance
What is Newton’s First Law? An object stays at rest or in motion unless acted on by a force
What is inertia? An object's resistance to change in motion
Why do passengers move forward when a car stops suddenly? Inertia
Created by: Daffyduck23
 

 



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