Simple Machines

Question 1

The diagram shows the mechanical parts of scissors.

Revolt · Accepted Answer

Both involve the use of levers.

Question 2

Horatio used the flat end of a hammer to remove a nail from a piece of wood.

Revolt · Accepted Answer

lever.

Question 3

The diagram shows a lever.

Revolt · Accepted Answer

2

Question 4

Teeth are an example of which type of simple machine?

Revolt · Accepted Answer

wedge

Question 5

What is the mechanical advantage of an inclined plane that has a length of 9 feet and a height of 3 feet?

Revolt · Accepted Answer

3

Question 6

Julian stands on his toes to lift his body high enough to reach a book. In this example, what do Julian’s toes function as?

Revolt · Accepted Answer

a fulcrum

Question 7

Which is a compound machine?

Revolt · Accepted Answer

a pair of scissors

Question 8

A lever has a total length of 12 meters with a fulcrum at the exact center of the lever. Which best describes how to double the mechanical advantage of the lever?

Revolt · Accepted Answer

Move the fulcrum 2 meters away from the side on which the force is applied.

Question 9

A rope wound around a pulley with a bucket tied to the end of the rope.

Revolt · Accepted Answer

a wheel and axle

Question 10

Which two simple machines can be found in a bicycle?

Revolt · Accepted Answer

a lever and a wheel and axle

Simple Machines Answers

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