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13
When an action is always followed by the same result, the statement
becomes a general principle or law. Using the law, we can predict what
will happen in particular cases.
Exercise 9. Predict the result of the action illustrated here.
Action Result
Two magnets are held together with like poles facing.
Now write the principle illustrated.
If two magnets —————————————.————
Exercise 10. Predict the results of each of these actions. Then link
each action and result in a sentence.
Action Result
1 A steel bar is subjected to tensile forces. The bar ——————
———— ————
2 We apply an effort at E. The block _____________
3 The switch is closed. __________________
6 V
6 V 3 W
4 The switch is pressed. ______________________
150mA
240V
240 V,
750 W
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