Simple Machines: Lever, Inclined Plane & Pulley


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A simple machine can alter the magnitude and/or direction of a force. What is an example of a simple machine that alters the direction but not the magnitude of a force?

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1. There are three classes of levers. What are the positions on a lever we look at to determine its class?

2. An inclined plane can be viewed in 2D as a right angle trangle. The three sides of the inclined plane triangle are a length that travels horizontal to the ground, a height perpendicular to the ground, and a slope at some angle to the ground. Using two of these three sides, what is the equation for the mechanical advantage of an inclined plane?

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About This Quiz & Worksheet

This worksheet and quiz pairing will help you understand more about lever, pulley, and inclined plane machines through a series of multiple-choice questions. Areas of focus on the assessments include classes of levers and equations related to simple machines.

Quiz & Worksheet Goals

In these assessments you will be tested on your knowledge of:

  • Simple machines' effects on the magnitude and direction of a force
  • Positions on levers and their relation to classes of levers
  • Equations involving simple machines
  • The term for determining how effective a simple machine is

Skills Practiced

  • Defining key concepts - ensure that you can accurately define main phrases such as simple machine, pulley, lever, and inclined plane
  • Critical thinking - apply relevant concepts to examine information about various simple machines in a different light
  • Problem solving - use acquired knowledge to solve practice problems involving the use and function of simple machines
  • Knowledge application - use your knowledge of simple machines to answer questions about them in several scenarios

Additional Learning

To find out more about this assessment's subject matter, you can read through the related lesson called Simple Machines: Lever, Inclined Plane & Pulley. You'll learn about the following topics:

  • The definition of simple machine as well as different types of simple machines
  • First, second, and third class levers
  • Types of pulleys including fixed and movable pulleys