Lesson 2 Two variables

Variables

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Activity 1

The pulley

1 Use the spring balance and pulley as shown to lift a mass.

2 The reading on the spring balance shows how much force you use to lift the mass.

3 Try three or four different masses. For each mass, find out what force you need to lift it.

4 On your Notesheet (Activity 1), fill in
the table and answer the questions.

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Please do not write on this sheetTHINKING SCIENCE

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Variables

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Thinking Science Lessons Copyright © by Caroline Yates, Michael Shayer, and Philip Adey. All Rights Reserved.

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