MOTION AND TIME
Crossword
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Across: 2. a device used to record the speed of vehicle 6. one billionth of a second 7. when a body continuously changes its position in respect to its surroundings 10. motion of child in merry-go-round
Down: 1. when a bob of a pendulum moves from one extreme position to other extreme position and comes back 3. motion in which a body travels equal distance in equal intervals of time 4. distance covered by an object in a unit time 5. device used to measure the distance moved by a vehicle 8. unit of time 9. pictorial representation of relation between two inter-dependent physical quantities