Busy. Please wait.

Forgot Password?

Don't have an account?  Sign up 

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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

Already a StudyStack user? Log In

Reset Password
Enter the email address associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

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


Force a push or pull exerted on an object
Newton a unit of measure that equals the force required to accelerate 1 kilogram of mass at 1 meter per second. (4.5 N = 1 lb)
Net force the overall force on an object when all the individual forces acting on it are added together
Unbalanced Force forces that produce a nonzero net force, which changes an object's motion
Balanced Force equal forces actin on an object in opposite directions
Friction the force that one surface exerts on another when the two surfaces rub against each other
Static Friction friction that acts on objects that are not moving
Sliding Friction friction that occurs when one solid surface slides over another
Rolling Friction friction that occurs when an object rolls over a surface
Fluid Friction friction that occurs as a an object moves through a fluid
Gravity the force that pulls objects toward each other
Mass the amount of matter in an object
Weight the force of gravity on an object at the surface on a planet
Free Fall the motion of a falling object when the only force acting on it is gravity
Air Resistance the fluid friction experienced by objects falling through the air
Terminal Velocity the greatest velocity of a falling object can achieve
Created by: kyankowski