a wheel with a grooved rim and rope used to lift a load more easily.
What is a pulley?
100
two wheels of different diameters attached and rotating on the same axis
What is wheel and axle?
100
the advantage of a fixed pulley
What is change direction of pull---pull down instead of up---easier because you can use your weight?
100
effort applied to the axle turns the...
What is the wheel?
100
If I am using a moveable pulley, the load is being pulled...
What is up?
200
the grooved wheel of a pulley
What is sheave?
200
an imaginary line that passes through the center of an object
What is axis?
200
the advantage of a moveable pulley
What is less effort needed---pull 1/2 as much?
200
effort applied to the wheel turns the...
What is the axle?
200
the purpose of a wheel and axle
What is move objects easier and quicker?
300
a pulley attached in position above a load to be lifted
What is fixed pulley?
300
the wheel and axle system used to apply force to a rope while winding it around the axle.
What is windlass?
300
the cost of a moveable pulley
What is more distance---rope has has to travel twice as far?
300
(comparing the wheel and axle) a point on this always moves the farthest
What is wheel?
300
I have one moveable pulley I want to lift my dog (100 lbs) How many "pounds" of effort will I have to exert and what direction will I be pulling?
What is 50 lbs AND up?
400
a pulley that is attached to the load
What is moveable pulley?
400
another name for a windlass
What is winch?
400
the 2 advantages of a compound pulley (fixed and moveable)
What is pull down and 1/2 as much effort needed to lift the load?
400
when applying effort to the wheel, _______ is the gain and ________ is the cost
What is effort and distance?
400
I am using a moveable pulley and a fixed pulley. If I want to lift my dog (100 lbs), this is how many "pounds" of effort I will have to exert and the direction I will pull.
What is 50 lbs and down?
500
more than one pulley being used together
AND
the nickname of this type of pulley
What is compound pulley AND block and tackle?
500
a push or pull
What is force?
500
Draw a moveable pulley AND a fixed pulley
What is (check drawings)?
500
when applying effort to the axle, __________ is the cost and ________ is gained
What is effort and distance?
500
I have 1 moveable pulley and one fixed and I want to lift my dog 10 feet. This is how much rope I will need to pull and the direction I will be pulling.