Question

Across
3. Basic unit of time
5. The to and fro motion of a simple pendulum is called _________ motion
6. the distance per unit time
7. the metallic ball in the simple pendulum
Down
1. the instrument used in vehicles for measuring the speed
2. the instrument used in vehicles for measuring the distance
4. One billionth of a second

Answer 1

Explanation:

Wikipedia (/ˌwɪkɪˈpiːdiə/ (listen) wik-ih-PEE-dee-ə or /ˌwɪki-/ (listen) wik-ee) is a multilingual online encyclopedia created and maintained as an open collaboration project by a community of volunteer editors using a wiki-based editing system. It is the largest and most popular general reference work on the World Wide Web. It is also one of the 15 most popular websites as ranked by Alexa, as of August 2020. It features exclusively free content and has no advertising. It is hosted by the Wikimedia Foundation, an American non-profit organization funded primarily through donations

Answer 2

Across :
3) Second
5) Oscillation
6) Linear speed
7) Bob

Down :
1) Speedometer
2) Odometer
4) One nanosecond

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