Inclined Planes And Levers Question Preview (ID: 39900)


Simple Machines Quiz. TEACHERS: click here for quick copy question ID numbers.

1. Which of the following statements is correct from Lab #3 on Inclined Planes?
a) The longest inclined plane was the most efficient because the force was spread out over a longer distance.
b) The shortest inclined plane was the most efficient because the force was spread out over a shorter distance.
c) The length of the inclined plane does not affect the force.
d)

What is the purpose of using a simple machine?
a) To reduce energy needed to complete a task
b) To reduce work needed to complete a task
c) To reduce force needed to complete a task
d)

Most machines are 100% efficient. a. True
a) true
b) false
c)
d)

4. Which of the following is NOT an inclined plane?
a) stairs
b) bolt
c) nail
d) shovel

5. The ___________ is the pivot point of a lever. It can be moved to different locations along the lever.
a) inclined Plane
b) resistance
c) effort
d) fulcrum

The ability to do work is called __________________. Your evidence of this is movement or change.
a) force
b) resistance
c) effort
d) energy

A baseball bat in one example of a lever
a) true
b) false
c)
d)

Which of the following statements is true about Lab #4 on Levers?
a) The shortest lever was the most efficient because it took the most force to lift the weight.
b) The medium length lever was the most efficient because it took an equal amount of force to lift an equal amount of weight.
c) The longest lever was the most efficient because it took the least amount of force to lift the weight.
d)

Which tool is used to measure force?
a) newton
b) spring scale
c) anemometer
d) wedge

The placement of the fulcrum on a lever will not affect its efficiency when lifting a weight.
a) True
b) false
c)
d)

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