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Stars Club
Science Home
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North Beverly Elementary School
Science Club
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Simple Machines
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Handout 1 - Types of levers
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Item
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Number of Class 1
Levers Used
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see-saw
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a single class 1
lever
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hammer's claws
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a single class 1
lever
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scissors
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2 class 1 levers
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pliers
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2 class 1 levers
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A Type 2 Lever.
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Item
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Number of Class 2
Levers Used
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stapler
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a single class 2
lever
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wheelbarrow
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a single class 2
lever
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A Type 3 Lever.
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Item
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Number of Class 3
Levers Used
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fishing rod
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a single class 3
lever
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tweezers
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Two class 3 levers
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Activity 1
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Key Words: Gravity Force Lever Fulcrum Pulley Spring Scale Data
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Measure
the weight of the nut using the spring scale.
Record
Data________________
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Measure the force needed to lift the nut using the Lever at
fulcrum A.
Record Data _______________
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Measure
the force needed to lift the nut using the Lever at fulcrum B.
Record
Data _______________
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Question: Why is less force needed to lift the nut
at fulcrum B than fulcrum A ?
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(978)356-6011
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