Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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
Know
remaining cards
Save
0:01
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:
Retries:
restart all cards
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

Simple Machines

TermDefinition
simple machines machines that make work easier
lever an simple machine that is comprised of a rigid bar that rotates or pivots on a fixed point
fulcrum a fixed point where rotation or change in motion takes place on a lever
screw a simple machine that is comprised of an inclined plane wrapped around a cylinder
wedge a simple machine that is made of two inclined planes put together
wheel & axle a simple machine made up of two cylinders that rotate on the same axis
inclined plane a simple machine that is made up of a slanted surface
pulley a simple machine that is made of a rope fitted around a fixed wheel
gravity the force that pulls objects towards other objects
motion a change in an object's position as compared to objects around it
friction a force that slows or stops motion between two surfaces.
force a push that moves objects away or a pull that moves objects closer
speed and direction the two properties that describe the motion of an object
position an object's location or place
the object changes motion (starts or stops) What happens when you apply force to an object?
walking on the floor; holding a pencil How is friction useful to us?
Objects with greater mass have greater gravity and the Earth has a larger mass than the moon. How do we know Earth has greater gravity than the moon?
Give an example of each simple machine
Created by: cynthiamessina