How a Lever Works

A Segment From: Work, Energy, and the Simple Machine: Lever, Wheel and Axle, Pulley

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15:00 Work, Energy, and the Simple Machine: Lever, Wheel and Axle, Pulley

1. 1:10 Work, Energy, and the Six Simple Machines

2. 2:41 Lever

A. 1:04 How a Lever Works

B. 1:37 Three Classes of Levers

3. 1:28 Wheel and Axle

4. 1:11 Pulley

5. 2:19 Mechanical Advantage

A. 1:07 Calculating the Mechanical Advantage of a Lever

B. 0:27 Calculating the Mechanical Advantage of a Wheel and Axle

C. 0:45 Calculating the Mechanical Advantage of a Pulley

6. 0:40 Having Fun with Simple Machines

7. 4:27 Video Quiz: Lever, Wheel and Axle, Pulley

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Citation (MLA)

Work, Energy, and the Simple Machine: Lever, Wheel and Axle, Pulley . United Learning. 2001. Cosmeo. 19 June 2013

Citation (APA)

Work, Energy, and the Simple Machine: Lever, Wheel and Axle, Pulley . United Learning (2001). Retrieved June 19, 2013, from Cosmeo: http://www.cosmeo.com/

Citation (Chicago Manual of Style)

United Learning. "Work, Energy, and the Simple Machine: Lever, Wheel and Axle, Pulley ."
Cosmeo. http://www.cosmeo.com/

DESCRIPTION

Students are introduced to these three simple machines in the same video lesson so they can see how the machines are related. The principles behind each of these simple machines are illustrated and demonstrated with common situations and tools. Curriculum Explorer