Unit 2: Motion and Forces (Quizlet)

QuizÂ by T Brooks

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18 questions
• Q1
an object's change in position relative to a reference point
Motion
30s
• Q2
a system for specifying the precise location of objects in space and time
Frame of Reference
30s
• Q3
measures the total path taken
Distance
30s
• Q4
the net change of an object's position
Displacement
30s
• Q5
the distance traveled divided by the time interval during which the motion occurred
Speed
30s
• Q6
the speed of an object in a particular direction
Velocity
30s
• Q7
Measurement without direction
Scalar
30s
• Q8
Measurement with direction
Vector
30s
• Q9
rate at which velocity changes over time; an object accelerates if its speed, direction, or both change
Acceleration
30s
• Q10
the acceleration that occurs in circular motion
Centripetal acceleration
30s
• Q11
combination of all forces acting on an object
Net force
30s
• Q12
combination of all forces in which there is no change in motion
Balanced force
30s
• Q13
combination of all forces in which there is change in motion
Unbalanced forces
30s
• Q14
force that opposes motion between two surfaces that are in contact
Friction
30s
• Q15
force that resists the initiation of sliding motion between two surfaces that are in contact and at rest
Static friction
30s

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