Faraz Khan
from
Rassaz International School, Mira Road, Thane
Subject :NSO Class : Class 6
Study the given Venn diagram. Which of the motions described by different bodies are most likely to be I, II and III?
I | II | III | |
A | Hands of clock | Motion of moon around the earth | The blades of a fan |
B | Motion of a top | The wheels of a bullock cart | Ball moves around its centre |
C | To and fro motion of a swing | Hands of a clock | Motion of a top |
D | Motion of skin of tabla | Child playing in a play ground | A flying bird |
Ans 1:
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ARUNAV
from
DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 9
first thing , both option 1 and 3 have oone mistakein option a - a fan moving is wrong as it is circulatoryin option c - to and fro movement of swing is wrong as the swing may not swing at the same angle every timeDear,SOF , do not go mad!!!!!!!!!there are better trainers than you like- olympiad helper, olympiad succes, online test series (allen)so do not be proud
Ans 2:
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Faraz Khan
from
Rassaz International School, Mira Road, Thane
Class : Class 6
answer should be A as to and fro motion of a swing is not periodic motion
Ans 3:
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Arjun Narang
from
DAV International School, Ahmedabad
Class : Class 6
To and Fro motion of a swing is ONLY PERIODIC if the speed stays the same which is VERY unlikely
Ans 4:
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Matisha Kansal
from
Sacred Heart High School, Chd, Chandigarh
Class : Class 6
the answer would be C as the hands of the clock shows rotational and periodic motion whereas the table top shows only rotational motion
Ans 6:
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Anika Saha
from
New Town School, KOLKATA
Class : Class 6
Answer should be c. It cannot be A as the motion of moon around earth is not rotational. it is circular