Mechanical devices can change one form of force to another. All moving parts work on some sort of mechanism.
What is linear motion?
Straight backwards or forwards motion
Curved side to side motion
A piston is an example of what sort of motion?
A wheelbarrow is an example of what order lever?
What is another name for a fulcrum?
What direction does a bell crank move in?
Backwards and forwards
Side to side
Through 90 degrees
What are cams attached to?
Which kind of cam is often used in production lines to make holes at regular intervals?
In a gear train, how would an idler change the behaviour of the drive and driven gear?
The drive and driven gear will move in opposite directions
The drive and driven gear will move faster
The drive and driven gear will move in the same direction
What is a block and tackle a type of?
Increasing the size of the driver pulley and reducing the size of the driven pulley would do what to the speed of the mechanism?
Increase the speed of the mechanism
Decrease the speed of the mechanism
Keep the speed the same