MA = OF/IF
MA= ID/OD
Metric Conversions
1 m = 3.28 ft.
Are we cooked?
(Galley math)
"The Ocean is full of things that would like to kill you."
100

 This is the weight of the object, measured in Newtons.

What is the Output Force (OF)?

100

This is the distance that the object is raised, measured in meters.

What is the Output distance (OD)

100

To convert 10 meters into feet, you would multiply 10 by 3.28, which results in this total.

What is 32.8 feet?

100

If a steward needs a precise measurement, they should know that this many teaspoons make up exactly one tablespoon.

What is 3?

100

Also known as the orca, this apex predator is actually the largest member of the dolphin family.

What is a killer whale?

200

This is the force that is applied to the pulley string to raise the object, measured in Newtons.

What is the Input Force (IF)?

200

This is the distance that the pulley string is pulled, measured in meters.

What is the Input distance (ID)?

200

If a nautical chart shows a shoal depth of 12 meters, this is its approximate equivalent depth in feet, to the nearest tenth.

What is 39.4 feet?

200

To make twice the amount of a standard galley meal, a chef must perform this action, which requires multiplying every ingredient by two



What is doubling the recipe?

200

Responsible for the highest number of unprovoked shark attacks worldwide, this large predatory shark is easily recognized by its conical snout and dark gray-to-white coloring.

What is the Great White shark?

300

For pulleys, the MA can be determined by counting this.  

What is number of strings or lines supporting the output force?

300

There are 4 lines in a pulley system. This is the mechanical advantage.

What is 4?

300

A supply vessel requires a berth that is at least 250 feet long. To ensure a safe fit, this is what the length must be in meters, to the nearest tenth.

What is 76.2 meters?

300

There are this many cups in a full one-pound package of butter.

What is 2?

300

Known for their incredible size, this creature is the largest animal ever known to have lived on Earth, even surpassing the biggest dinosaurs.

What is the blue whale?

400

An object weighs 100 N and has MA of 4, this is the input force that must be applied.

What is 25 N?

400

The distance an object is lifted off the ground when MA is 4 and the distance the line is pulled through the pulley system is 80 m.

What is 20 m?

400

A container ship has a maximum draft of 49.2 feet. When entering a port where depths are charted in meters, the captain needs to know that this draft is equivalent to exactly this many meters.

What is 15 meters?

400

While scaling adjusts the amount of a recipe, this process involves changing the units of measurement, such as from cups to grams.

What is conversion?

400

Native to the Indo-Pacific but an aggressive invasive species in the Atlantic, this spiky, striped fish uses venomous dorsal spines to deter predators and inflict agonizing stings on humans.

What is the lionfish?

500

When a line is pulled in the direction that an object is being raised.

What is Rove to Advantage

500

When a line is pulled the opposite direction an object is being raised. 

What is Rove to Disadvantage?

500

There are 3.28 feet in 1 meter. This is the conversion of meters in 1 foot, to 4 decimal places.

What is .3048?

500

Though they share a name, one of these units measures volume (space) while the other measures weight (mass).

 What are fluid ounces and ounces of weight?

500

Considered the most venomous marine animal in the world, this pale, cube-shaped creature drifts in Australian waters with tentacles that can cause cardiovascular collapse.

What is the box jellyfish?