Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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.
Don't know
remaining cards
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

Forces&Motion review

Unit review

Why is it harder to ride your bike on a windy day? The wind pushes against the bike, creating drag and making it harder to pedal.
Why do you need to add lubrication to machine parts? Lubrication reduces friction.
If you apply force in the same direction an object is moving, what will happen? The object will speed up.
When objects are closer together, what is stronger? Magnetism
If neither side of a tug-of-war game is moving, what is this an example of? Balanced forces
An example of friction Car tires wearing down
What is shown on a time-distance graph? How far an object moves over a period of time
What happens when unbalanced forces act on an object? The object will change in speed or direction.
Which force is weakened when water is added? Friction
What units do we use to measure distance? north, south, east, west
Friction causes objects to.... slow down
An object with a greater mass will move slower or faster? slower
What tool do we use to measure mass? a balance scale
What tool do we use to measure distance? a ruler
What does a horizontal line on a time-distance graph show? an object that has stopped moving
What does a steep line on a time-distance graph show? an object that is moving faster
Which force causes objects to fall? gravity
Created by: mrushton