Save
Upgrade to remove ads
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
edit
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

PSA Vocab

PSA Challenge Vocabulary

WordDefinition
Force Mass divided by velocity, a push or a pull.
Mass How much matter is in something.
Acceleration The change in velocity.
Drag An increade of friction.
Speed The rate at which an object moves.
Terminal Speed The maximum speed an object reaches.
Terminal Velocity The maximum velocity an object reaches.
Inertia An object's tendency to resist change in motion.
Deceleration The decreasing od acceleration.
Friction The tendency of objects to slow down when rubbed against each other.
Invisible Forces Forces you can't see.
Air Resistance A tendency of air to grab things and slow them down.
Motion Movement of an object from one place to another.
Velocity Speed and direction.
Linear Motion Movement on a line.
Newton's 1st Law An object in motion stays in motion and an object at rest stays at reast until acetd upon by an outside force.
Newton's 2nd Law A net force acting on an object causes the object to accelerate in the direction of the force.
Newton's 3rd Law When one object exerts a force on a second object, the second one exerts a force on the first that is equil in size and opposite in direction.
Coasting Moving without any force being applied at that time, but with force from a past time.
Speed Change A change in speed while something is in motion.
Unbalanced Forces The subtraction of forces where there is a remaining force and both forces are not cancled out.
Torque A turning or twisting force.
ISS The International Space Station that is being built by 21 countries.
Reverse Thrust A force in the opposite direction of your first force.
Lever Arm The Canadian arm on the ISS used to pick up stuff and is attached to a lever.
Robota The first robot ever built.
Unimate The first robot to work in industry.
Deep Space One The first deep-space probe to rely on ion engines for primary propulsion.
ISS The internaional space staion that is beingbulit by 21countries
force mass divded by velocity, a push or a pull
Created by: Zac
Popular 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