Save
Busy. Please wait.
Log in with Clever
or

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever
or

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
share
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

FINAL 2: Motion

8th Grade Earth Science FINAL 2

QuestionAnswer
How do you calculate the velocity of a moving object? Velocity is speed with direction (a vector). Distance/Time
How do you calculate the momentum of a moving object? Momentum is a calculation of a mass traveling at a certain velocity. Mass x Velocity
How do you calculate the acceleration of a moving object? A change in velocity over time. final velocity - initial velocity / time
How do you interpret the motion of an object using a graph? -When velocity is graphed on the y-axis versus time on the x-axis, the slope of the line is the acceleration. -If distance (Y-axis) is graphed vs time (X-axis), the slope of the line equals the speed .
How are forces created? An accelerated mass
What is the difference between balanced and unbalanced forces? - Balanced forces are forces that are acting on an object that combine to equal a net force of zero. - Unbalanced forces are forces that combine to produce a net force NOT equal to zero. Results in acceleration or movement.
What are the different types of forces? Friction, applied force, air resistance, gravity, normal force, etc.
How do you calculate the net force on an object? Net Force is the combination of all the forces acting on an object. To find it, add together all the forces working on the object.
What is Newton's 1st Law of Motion and how does it apply to real-world situations? Inertia- the tendency for an object to stay in motion or stay at rest. Ex. pressing the break in a car and springing forward
What is Newton's 2nd Law of Motion and how does it apply to real-world situations? Force ~An object acted upon by a force will accelerate in the direction of the force. ~ Ex. a person falling out of a plane is falling in the direction of the force, gravity, downward
What is Newton's 3rd Law of Motion and how does it apply to real-world situations? Action/Reaction For every action (force) there is an equal reaction (force) in the opposite direction. forces act in pairs EX. When you push on the wall, the wall pushes back on you with an equal amount of force. this is how rockets work
Created by: *BROOKE*
Popular Earth Science sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards