The simple machine is most closely related to the inclined plane.
What is the screw?
100
IMA is equal to 7.
What is (answers can vary) d/in / d/out so that it equals 7.
100
A combination of 2 or more simple machines are used to create this.
What is a mechanism?
100
A second class lever and a wheel and axle are utilized to create this simple machine that helps us move heavy loads.
What is a wheel barrow?
200
Count the number of ropes attached to a moveable pully.
What is the method for determining IMA of a pulley?
200
Both forces are operating in opposite directions?
What is a first class lever?
200
Wout/Win x 100%
What is the formula for efficiency?
200
The amount of effort spent when a force causes an object to move.
What is work?
200
The ratio of useful output work to useful input work.
What is efficiency?
300
Ra/Rw or Rw/Ra
What is the IMA of a wheel and axle?
300
Always has a mechanical advantage of 1 unless it is moveable.
What is the puley?
300
The adding of a lubricant is one way to increase this for a machine?
What is efficiency?
300
Work a machine is designed to perform?
What is useful output work?
300
This class of simple machine always has an IMA less than 1.
What is a third class lever?
400
length / height
What is the IMA of an inclined plane?
400
The machines people believe Egyptians utilized to build the pyramids.
What is the wheel and axle and ramp?
400
To increase the MA of a lever you should do this.
What is increase the length of the input arm of a lever?
400
A second class lever and a wheel and axle are utilized to create this simple machine that helps us move heavy loads.
What is a wheel barrow?
400
_________ is an example of a third class lever.
What is a hockey stick, bat, etc.
500
Din / Dout
What is IMA?
500
A commonly used tool that is used with a hammer that resembles a wedge?
What is a nail?
500
This simple machine always has an input force that is always less than the output force.
What is the ramp?
500
An incline plane wrapped around a rod.
What is a screw?
500
This list includes: seeking extra help, showing I have tried to improve upon my understanding, staying late or coming early, and demonstrating my understanding in a new way.