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- 1. Multiple Choice
What does this image represent?
A pulley
A wedge
A lever
A wheel and axle
- 2. Multiple Choice
What are two types of pulleys?
wings, fries
load. weight
fixed, movable
effort, force
- 3. Multiple Choice
Which of the following is not a characteristic of a pulley?
Groovy Wheel
Ideal
Frame/block
inclination
- 4. Multiple Choice
How do pulleys make work easier?
they change the direction of a force
they change the amount of force required
the distance over which the force is applied
the measurement of an object
- 5. Multiple Choice
The opposite of input is:
output
force
- 6. Multiple Choice
A pulley is an example of a:
Simple Machine
Book
Science Tool
Test Taking Strategy
- 7. Multiple Choice
Wells use a pulley system to:
hoist the bucket
provide water
drop items
nourish water
- 8. Multiple Choice
What is a pulley?
a simple lifting machine consisting of a rope which unwinds from a wheel on to a cylindrical drum or shaft joined to the wheel to provide mechanical advantage.
a rigid bar resting on a pivot, used to help move a heavy or firmly fixed load with one end when pressure is applied to the other.
a wheel with a grooved rim around which a cord passes. It acts to change the direction of a force applied to the cord and is chiefly used (typically in combination) to raise heavy weights.
a piece of wood, metal, or some other material having one thick end and tapering to a thin edge, that is driven between two objects or parts of an object to secure or separate them.
- 9. Multiple Choice
How do fixed pulleys make work easier?
they change the direction of a force
they change the amount of force required
the distance over which the force is applied
the measurement of an object
- 10. Multiple Choice
Identify the type of pulley
fixed
moveable
block and tackle or pulley system
- 11. Multiple Choice
Identify the type of pulley
Fixed
Moveable
Block and Tackle or pulley system
- 12. Multiple ChoiceThe diagram shows a movable pulley system. When moving a load, this pulley system changes the —direction of the force.amount of force needed.pull of gravity on the load.overall mass of the rope.
- 13. Multiple Choice
Pulleys are never 100% efficient because of _________.
friction
force
gravity
speed
- Answer choicesTagsAnswer choicesTags