Simple Machines

Levers

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Lever types using bars and objects or blackboard mechanics set. 

Mechanical Linear Amplifier

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Dominoes simulate a linear amplifier

[In-Depth Description]

Jaw Models

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Cardboard animal jaws as examples of levers. 

[In-Depth Description

Screw Jack

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An example of a cylindrical wedge to show mechanical advantage. 

Winch

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An application of a lever arm to show mechanical advantage. 

Hydraulic Press

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Application of Pascal's Principle to bend metal or break 2x4's. 

Pulley Board

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Upright board or Blackboard Mechanics with pulley combinations. 

[In-Depth Description]

Bosun's Chair

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Block and tackle, or a simple pulley, attached to hall ceiling for lecturer to hoist self. 

[In-Depth Description]

Contact Us

Mailing Address: Lecture Demonstration Services, Science Center, Rm B-08A, 1 Oxford Street, Cambridge, MA 02138
Campus Location: Science Center B-08A | Tel: (617) 495-5824 | Email: scidemos-at-fas.harvard.edu