How To Build a 3:1 Mechanical Advantage System

1000 Newtons (N) equals how many kilonewtons (kN)?

• 10 kN

• 1 kN

• 100 kN

• All the above

Which pulley in the picture is the travelling pulley?

• B

• C

• A

• All the above

Force is measured in:

• Spacetime

• Acceleration

• Gravity

• Newtons

The Mechanical Advantage shown in the diagram is:

• 2:1

• 4:1

• 3:1

• None of the above

Your rigging plate has MBS 36kN stamped on it. What does this mean?

• May Brake Suddenly after 36 knots

• Minimum Breaking Strength of 36 kilonewtons

• Metal Bonded Securely with 36 kilonewtons

• Maximum Breaking Strength of 36 kilonewtons

What load would a 3:1 Mechanical Advantage be suitable for, utilizing a 3 person haul (pulling on the rope)?

• Injured patient, rescuer and equipment weighing 200kg

• Patient weighing 90kg

• A log weighing ~ 300kg

• None of the above

Mass is measured in:

• Newtons

• Kilograms (kg)

• Meters

• Watts

Using the T-Method, calculate the tension (T) applied to the anchor by the standing pulley A:

• T3

• T1

• T4

• T2

In an ideal hauling system (i.e. without friction):

The tension (Effort) applied to the hauling strand of a single continuous rope, will be the same tension throughout all strands in the hauling system built.

• True

• False

Convert 20 kilonewtons (kN) to kilograms (kg):

• 20kg

• 2000lbs

• 200kg

• 2000kg