Lesson 4.7 Simple Machines Answers

The table shows dimensions of four wheel and axles.

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

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

The diagram shows a lever.

Which is a compound machine?

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?

Antwon made a table to study some simple machines.Which best describes how to correct the error in the table?

A screw has 4 threads per centimeter and a circumference of 2 centimeters. What is the mechanical advantage of the screw?

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

The diagram shows the mechanical parts of scissors.