If you are using a screwdriver to pry open a paint can, you are using what type of simple machine?


Question 1 options:


pulley



lever



screw



wheel and axle What is done whenever a force moves an object through a distance?


Question 2 options:


force



load



energy



work



What simple machines would move or turn an object?


Question 3 options:


wheel and axle



lever



screw



wedge A see-saw is an example of what type of lever?


Question 4 options:


First Class



Second Class



Third Class



Fourth Class A ramp is an example of an inclined plane. A man in a wheelchair was trying to get up the ramp, but he was having trouble because it was too steep. What can you do to make the ramp more useful?


Question 5 options:


Shorten the ramp



Decrease the height of the ramp



Remove the ramp and put in stairs



Lengthen the ramp