Pulleys Center 2 Quiz

Fixed pulleys give you a mechanical advantage while movable pulleys can only change the direction of a force.

• True

• False

You can calculate the mechanical advantage of a pulley system by measuring the amount of rope used.

• True

• False

Window blinds are an example of a...

• Pulley

• Gear

• Neither

• Both

This is a picture of a...

• Moveable pulley

• Fixed pulley

If a load is 10 kg. and there is a mechanical advantage of 2, then the effort force would be...

• 10 kg

• 2 kg

• 5 kg

• 20 kg

If a load is 50 kg. and there is a mechanical advantage of 10, then the effort force would be...

• 10 kg

• 5 kg

• 25 kg

• 100 kg

If a load is 33 kg. and there is a mechanical advantage of 11, then the effort force would be...

• 3 kg

• 44 kg

• 11 kg

• 66 kg

When 2 or more pulleys are working together, it is called a...

• Pulley train

• Combination pulley

• Pulley wheel

• Pulley system

This pulley system changes the direction of force AND the amount of force needed to lift the load

• True

• False

• Only changes the direction of force

• Only changes the amount of force needed to lift the load

Mechanical advantage is...

• A way to see which pulleys are better than others

• How much a machine amplifies the amount of force put into it

• A measurement of how much force you need to use