Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Physics > Motion and Kinematics in One Direction > Flashcards

Motion and Kinematics in One Direction Flashcards

You may prefer our related Brainscape-certified flashcards:
Physics 101 flashcards AP® Physics flashcards
0
Q

Where do objects that are turning accelerate towards?

A

The center of the turn

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

What are the types of motion?

A
  1. Not moving
  2. Moving with constant speed
  3. Moving with constant velocity
  4. Acceleration
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What ways can one describe motion?

A
  1. Tell someone through words
  2. Graph motion
  3. Write an equation of motion
  4. Draw a diagram of motion
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What does x represent? What is its unit?

A

X represents change in position and is measured in meters

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the symbols for the final position of an object?

A

Xf, X2, or X

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the symbols for the initial position of an object?

A

Xi, X1, or X0

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the equation of displacement?

A

Xf-xi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are the symbols for final time?

A

Tf, t2, t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the symbols for initial time?

A

To, t1, t0

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the equation for time interval?

A

Tf-ti

*Time is never negative!

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the unit of average velocity?

A

M/s with a DIRECTION

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the difference between distance as displacement? Speed and velocity?

A

Magnitude vs. direction and magnitude

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the equation for average velocity?

A

(Change in x)/(change in t)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Why can only AVERAGE velocity be determined?

A

Don’t know if velocity is constant– could slow down then speed up

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Define instantaneous velocity.

A

Velocity at a certain time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the unit for time?

A

Seconds

16
Q

How do you find instantaneous velocity?

A

Find the slope of a tangent on a position vs. time graph

17
Q

Vector vs. scalar

A

Vector- magnitude and direction

Scalar- magnitude

18
Q

What is the acceleration due to gravity?

A

-9.8 m/s^2

19
Q

What is position?

A

Where an object is located in space, need reference point and vector

20
Q

What is speed?

A
  • How fast you are going

- change in distance over change in time

21
Q

What is velocity?

A
  • Speed and direction of an object

- Change in position over time in a certain direction

22
Q

What is displacement?

A

Change in position (size and direction)

23
Q

What is the equation for displacement?

A

Change in x= Xf-xi

24
Q

Is gravity a vector or a scalar?

A

Vector

25
Q

What’s another name for force?

A

A push or pull

26
Q

Is force a vector or a scalar?

A

A vector (how great of a force and in which direction one is pushing or pulling)

27
Q

When is air resistance not applicable?

A

When there are low amounts of surface area and speed

28
Q

What is terminal velocity?

A

A constant velocity that occurs when there is so much air resistance the object doesn’t accelerate anymore

29
Q

What is true about objects on earth?

A

Force/mass= 9.8 m/s^2

-9.8 m/s^2

30
Q

What is the unit of acceleration?

A

M/s/s or m/s^2

31
Q

What is the equation for average velocity?

A

Change in x (position) over change in t (time)

32
Q

What is the equation for average speed?

A

Change in d (distance) over change in t (time)

33
Q

What is the equation for average acceleration?

A

Change in v (velocity) over change in t (time)

34
Q

What is acceleration affected by?

A

Force (ex: gravity)

35
Q

What are the two effects of positive acceleration?

A
  1. Speed up and move up/to the right if moving in the positive direction
  2. Slow down if moving in the negative direction
36
Q

What are the two effects of negative acceleration?

A
  1. Speed up and move down/to the left if moving in negative direction
  2. Slow down if moving in the positive direction
37
Q

What does the slope of a velocity vs. time graph represent?

A

The average acceleration

38
Q

What does the slope of a position vs. time graph represent?

A

The average velocity

Physics (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions