KS3 Y9 Levers

Gap-fill exercise.

Name:_________________________Class:___________________Date:__________________

  
Fill in all the gaps, then press "Check" to check your answers. If available use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button if available to get a clue. Note that you will lose points if you ask for hints or clues!
   effort      ends      force      force multipliers      ful      increasing      lever      Levers      little      load      machine      multiplied      pivot      turns      wedge   

are simple s that make our work easier and less strenuous. They do so by the size of a .

Take for instance, we cannot easily take the lid of a can off with our fingers. But with a screwdiver we can into the thin space between the lid and the can and using the method we can push the lid off.

We use a force but the machine that force. Levers are therefore called .

A seesaw is a simple . In the middle of the seesaw is the or crum about which the seesaw . Objects at the or at various positions along the seesaw except the pivot point can be lifted up or brought down down.

If you have an object at one end that needs to be lifted we call this object the . By pushing the seesaw at the other end we call this the .

 

 

Google