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Science 10 AP > Unit B: Section 1.0 > Flashcards

Unit B: Section 1.0 Flashcards

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1
Q

How can we tell if an object has moved?

A

We can analyze the motion of an object in comparison to another point

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2
Q

What is a reference point?

A

A point that we use to analyze the motion of an object

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3
Q

When does the motion of an object occur?

A

When an imaginary line attached to the reference point increases or decreases in distance or changes direction.

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4
Q

What is uniform motion?

A

When an object is traveling at constant rate of motion in a constant direction

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5
Q

What is average speed?

A

A uniform motion that involves traveling a distance in a specific time

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6
Q

What does the letter v mean in a mathematical formula?

A

Speed

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7
Q

What does a triangle mean before a letter in a chemical formula?

A

Difference in

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8
Q

What is the formula for average speed?

A

v = d/t or final distance - inital distance/ final distance - initial distance

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9
Q

What is the formula for slope?

A

Rise/run

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10
Q

Where does time go on a distance-time graph?

A

On the x-axis

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11
Q

Where does distance go on a distance-time graph?

A

The y-axis

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12
Q

What does a slope calculate in a distance-time graph?

A

Average speed

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13
Q

What does a straight line in a distance-time graph represent?

A

Uniform motion

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14
Q

What does a straight horizontal line on a speed-time graph represent?

A

As time goes the time goes on the speed remains constant

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15
Q

What does the slope of a speed-time graph confirm?

A

Whether or not the motion is uniform

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16
Q

How can you calculate the distance an object traveled on a speed-time graph?

A

By calculating the area underneath the graph

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17
Q

What is velocity?

A

The rate of motion and direction of an object

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18
Q

What is a scalar quantity?

A

A scalar quantity only represents the magnitude or how much and does not include direction

19
Q

What is a vector quality?

A

A vector quality includes the magnitude or how much and a direction

20
Q

How can you tell if something is a vector quality?

A

It will include an arrow overtop

21
Q

What is distanced traveled?

A

A scalar quantity that measures the distance traveled by an object from a reference point

22
Q

What is displacement?

A

a vector quantity the is a change in distance and direction from a reference point

23
Q

What is the formula for average velocity?

A

displacement / time elapsed or

final distance - initial distance / final time - initial time

24
Q

What does the slope represent on a position-time graph?

A

Velocity

25
Q

What goes on the x-axis on a position-time graph?

A

Time t (s)

26
Q

What goes on the y-axis on a position-time graph?

A

Position d (m)

27
Q

Is acceleration a vector or scalar quanitity?

A

Vector

28
Q

What is acceleration?

A

Change in velocity in different specific time intervals

29
Q

What are the 2 ways of positive acceleration?

A
  • When an object has a positive magnitude of velocity and is increasing in a positive direction
  • When the change in velocity is negative and the direction is negative
30
Q

What are 2 ways of negative acceleration?

A
  • When the direction is negative and the change is velocity is positive
  • When the change in velocity is negative and the direction is positive
31
Q

What is the formula for acceleration?

A

Acceleration = change in velocity/change in time

32
Q

For acceleration, what will the best fit line look like?

A

A smooth curve

33
Q

What will a positivley accelerating slope look like?

A

Will start from zero and look like half of a happy face

34
Q

What will a negatively accelerating slope look like?

A

Start at 0 and look like half of a sad face

35
Q

What will you figure out if you calculate the slope of a velocity-time graph?

A

The acceleration

36
Q

What is a force?

A

A push or pull on an object

37
Q

What is force measured in?

A

Newtons (N)

38
Q

What happens in an unbalanced force?

A

The force acting in one direction greater than the force in the opposite direction

39
Q

What is work?

A

When energy is applied to an object and it moves a distance

40
Q

What is the formula for work?

A

Work = force x distance

41
Q

What is work measured in?

A

Joules

42
Q

What is 1 joule equal to?

A

(1kg x m/s²) x m

43
Q

What are the 3 conditions for work to be done on an object?

A
  • Must be movement
  • There must be a force
  • The force and distance must be in the same direction
44
Q

What should be equal to work output?

A

Work input if there is the absense of friction

Science 10 AP (13 decks)

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