Question

1. Motion of a child on a swing is ___________.

2. A device that is used to break an electric circuit is called _________.


5. In olden days, sailors used to find direction by suspending a piece of _____​

Answer 1

Answer:

1. oscillation

2. key/ switch

5. magnet

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Answer 2

Answer:

i. periodic motion

ii. switch

iii.bar magnet