Busy. Please wait.
Log in with Clever

show password
Forgot Password?

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

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.
Didn't know it?
click below
Knew it?
click below
Don't Know
Remaining cards (0)
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

Simple Machine A machine that does work with only one movement
Wheel and Axle a simple machine consisting of two circular objects of different sizes; the wheel is the larger of the two circular objects
Pulley Pulley A simple machine that consists of a rope that fits into a groove in a wheel. Used to lift things.
Inclined Plane A flat surface set at an angle or an incline with no moving parts that is able to lift objects by pushing or pulling the load.
Wedge An object that comes to a thin edge and is used for splitting or for cutting. Is used by being driven into something.
Screw An inclined plane wrapped around a cylinder. Used to put things together
Lever a simple machine that consists of a bar that pivots at a fixed point called a
What is the purpose of a pulley? The purpose of a pulley is to make lifting heavy objects easier by distributing the force.
When you add multiple pulleys together, what happens to the amount of force needed? The amount of force needed is reduced because the weight of the object/load is divided by the number of pulleys
To use the least amount of force while using a pulley you should... Use several pulleys together
What is the relationship between the number of pulleys and the weight of an object/load? The weight is divided by the number of pulleys
The disadvantage to using a lever Force must be applied over a longer distance.
Examples of levers: wrench, seesaw
Examples of wheel and axles: bicycle, tires
Examples of a wedge: saw, scissors,
Gears wheels with teeth that can either increase the speed of a machine or its force, but not both at the same time
Examples of gears: clock, lock on a safe
Examples of screws: Camera Tripod, things that put objects together
Examples of pulleys: Water well/wishing well
Fulcrum The fixed point that a lever rotates around
mechanical advantage Ratio of the force exerted by a machine to the force applied to the machine.
Created by: BadBunny
Popular Physics sets




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:
restart all cards