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IPS > Chapter 2 Quiz > Flashcards

Chapter 2 Quiz Flashcards

1
Q

What is motion?

A

Motion occurs when an object changes in position

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2
Q

What is a point where you base an object’s position?

A

reference point

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3
Q

Position depends on _____

A

reference frame or reference points

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4
Q

What is displacement?

A

Displacement is the distance and direction of an object’s final position from its initial position.

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5
Q

What is speed?

A

Speed is the distance an object travels per unit of time

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6
Q

What is the formula for speed

A

s=d/t

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7
Q

What is the SI standard unit for speed

A

m/s

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8
Q

What is instantaneous speed?

A

speed at a single instance of time

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9
Q

What is constant speed?

A

speed that does not change

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10
Q

What is average speed?

A

the total distance an object moves over the total period of time

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11
Q

What does a straight diagonal line mean on a distance-time graph?

A

that the object is traveling at a constant speed

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12
Q

What does a horizontal line mean on a distance-time graph?

A

that the object is at rest

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13
Q

What is velocity?

A

Velocity is the speed of an objecct and the object’s direction

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14
Q

The velocity of an object changes as the _____ or _____ of the object changes

A

speed direction

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15
Q

Velocity is different from speed because…

A

it includes direction

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16
Q

2 objects can have the same speed but different velocities if…

A

they are going in different directions

17
Q

What is the formula for velocity?

A

v=d/t

18
Q

What is the standard SI unit for velocity?

A

m/s direction

19
Q

Motion is relative - what does this mean?

A

what are you comparing your motion to

20
Q

What is momentum?

A

Momentum is a property of a moving object that depends on the object’s mass and velocity

21
Q

What is the formula for momentum?

A

p=mxv

22
Q

What is the standard SI unit for momentum?

A

Kg x m/s direction

23
Q

What is acceleration?

A

Acceleration is the change of velocity of an object over time

24
Q

What is the formula for acceleration?

A

v.f - v.i
a = ———-
t

25
Q

What is the standard SI unit for acceleration?

A

m/s^2 direction

26
Q

What does centripetal imply?

A

something moving in a curved or circular way

27
Q

What is centripetal acceleration?

A

Centripetal acceleration is acceleration toward the center of a curved or circular path

28
Q

What is a projectile?

A

A projectile is any object moving through the air

29
Q

_=d/t

A

speed formula

30
Q

v.f - v.i
_ = ———- direction
t

A

acceleration formula

31
Q

_=d/t direction

A

velocity formula

32
Q

_=mxv direction

A

momentum

IPS (21 decks)

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