Simple Machines 102
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
---|---|---|---|---|---|
Work | force exerted on an object that causes it to move.
🗑
|
||||
Simple Machines | a device that allows you to do work in a way that is eaiser or more effective.
🗑
|
||||
Resistance | the object that is being moved.
🗑
|
||||
Effort | the amount of force you apply to an object.
🗑
|
||||
Mechanical Advantage | the number of times the machine multiplys the input force of the machine.
🗑
|
||||
Efficiency | the percentage of input work that is converted into output work.
🗑
|
||||
Wedge | a device that is thick on one end and tapers into a thin edge on the other end.
🗑
|
||||
Screw | an inclined plane wrappped around a cylinder.
🗑
|
||||
Lever | a ridged bar that is free to pivot or rotate on a fixed point.
🗑
|
||||
Wheel and Axle | a simple machine made of two wheels fasined together about a common axis.
🗑
|
||||
Pulley | a simple machine made of a grooved wheel with a rope or cable wrapped around it.
🗑
|
||||
Fixed Pulley | does not change amount of force applied, but does not change direction of the force.
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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
Normal Size Small Size show me how
Created by:
pjtempe
Popular Science sets