Show:
Pulley A
Pulley B
Pulley C
Pulley D
Pulley E
100
Any of six basic devices that provide advantage.
What is simple machines.
100
Which direction is the effort being pulled in a single fixed pulley?
What is down.
100
How many pulleys are in a single-fixed, single-movable pulley?
In a single-fixed, single-movable pulley you will use to pulleys.
100
Draw a diagram of a fixed pulley.
Mr. Hendrickson will check your diagram out on the white board.
100
How do you tell the age of a whitetail deer?
The age of the deer can be determined by examining the teeth.
200
Has a wheel that is attached to something above the load.
What is fixed pulley.
200
What is the advantage of using two pulleys?
it reduces the amount of effort to lift the load.
200
How many supporting ropes are in a single-fixed, single-movable pulley with the effort up?
In a single-fixed, single-movable pulley you have three ropes supporting the load.
200
Using a single-fixed, single-movable pulley with the effort going down. The load weighs 200 pounds, how much force is needed to lift the load?
100 pounds of force.
200
Reduces the effort needed to lift a load or overcome resistance.
What is mechanical advantage.
300
Reduces the effort needed to lift a load or overcome resistance.
What is mechanical advantage.
300
In a single movable pulley which direction is the rope being pulled?
The rope is being pulled up.
300
Which pulley system gives you the most mechanical advantage?
Single-fixed, single-movable pulley with the effort up gives the most mechanical advantage.
300
Draw a diagram of a movable pulley.
Mr. Hendrickson will check your diagram out on the white board.
300
Change in direction that results from passing a rope through a pulley.
What is directional advantage.
400
Has a wheel that is attached to the load.
What is movable pulley.
400
Which of the following is an example of a pulley in real life?
Nutcracker Stapler Crane
400
Which pulley will give you only a directional advantage?
Fixed pulley gives only a directional advantage.
400
Single-fixed, single-movable pulley with the effort going up. If you wanted to raise the load 25 meters how much rope will you have to pull?
75 meters of rope.
400
Using a single=fixed, single-movable pulley with the effort up. If the load weighs 9,000 pounds, how much effort is needed to lift the load?
3,000 pounds of force.
500
A wheel with a grooved rim in which a rope can run to change the direction of the pull (force) that lifts a load.
What is pulley.
500
How many supporting ropes are in a single-fixed, single-movable pulley with the effort down?
A single-fixed, single-movable pulley with the effort down has two supporting ropes.
500
Draw a diagram of a single-fixed, single-movable pulley with the effort down.
Mr. Hendrickson will check your diagram on the white board.
500
Draw a diagram of a single-fixed, single-movable pulley with the effort down.
Mr. Hendrickson will check your diagram on the white board.
500
Which pulleys will give you a mechanical advantage?
Movable pulley Single-fixed, single-movable effort up Single=fixed, single-movable effort down