7. Write answers to the following
questions in your own words.
(a) What are the things that can be
done by applying force?
(b) What is meant by weight?
(c) Which machines run on muscular
force ?
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Answer:
(a)an object can be moved from rest to stationary motion and vice versa
(b) Weight is the measurement of heaviness of an object
(c) All simple machines run on muscular force
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